A complete walkthrough for Love Starts Again, guiding you through every mission, choice, and emotional turn. This guide ensures 100% completion while preserving the story’s quiet tenderness—where favorability matters, endings bloom, and each chapter unfolds with care.

• All major plotlines across chapters
  
• Alternate routes based on affection levels and scene choices
  
• Message interactions and how sent texts influence character responses and story branches
  
• 🏆 Achievement unlock conditions and hidden triggers

Here is some note to help you understand well this guide:

[Message 1]
- Usual crew group
- Mother

What will you do?
- I can't just leave this alone {Miku+}
🏆Achievement 1 : Quick Thinking - Pretended to be strangers
- Trying to avoid trouble {Miku-}

Ace up the Sleeve
- Lie {Miku+}
🏆Achievement 2 : Punching Bag - Punched three times
Note: Choose Lie three times to unock this achievement
- Offer money {Miku+}
🏆Achievement 3 : Lost Everything - Lost everything

Hero's interview
- Ask for a thank-you {Miku+}
- Hurrying to university {Miku+}
- Acting cocky {Miku-}

Whose side will you choose
- Sit next to Azusa {Azusa+} {Kasumi-}
- Sit next to Kaszumi {Kasumi+} {Azusa-}

Are you studying?
- Is studying {Kasumi+} {Azusa+}
- Parties everyday {Kasumi-} {Azusa-}
🏆Achievement 4 : Zero-Point Gag - Told a terrible joke

You've kept your schedule open, right?
- Of course, I've kept my schedule open {Azusa+} {Kasumi+} -> You pick where we go
- Checking my schedule
- Might have work... {Azusa-} {Kasumi-}

You pick where we go
- An escape room in Shibuya {Azusa+}
- An aquarium in Ikebukuro {Kasumi+}
🏆Achievement 5 : Dark Past Exposed - Exposed Kasumi's dark past

Whose back will you choose?
- Chasing Azusa {Azusa+}
- Chasing Kasumi {Kasumi+}

The secret is...
- I'm from the future {Ai+}
- Do you believe in time leaps?
- Wait, never mind -> Message 2
🏆Achievement 6 : Affirming humiity - Admitted to rough hands

When Ai held my hand
- I appreciate that {Ai+}
- Do you not believe me? {Ai+}
- ...

[Message 2]
- Ai
- Miku : Oh, you really don't have to -> Sure {Miku+}
- Kota
- Usual crew group

[Message 3]
- Usual crew group : Hope you feel better soon {Kasumi+}
- Kota

Meet-up
- Sneaks up from behind to startle someone
- Observes the situation for a while {Azusa-}
- (Calls out) sorry for the wait {Azusa+}

Kota's treatment
- Let's go ahead without Kota {Azusa-}
- Decides to wait for Kota

Got any plans after this?
- Would you like to go out sometimes, just you and me? {Azusa+}
- Invites to cafe
- Are you free after this? {Azusa-}

How was the date?
- This date is the best {Azusa+}
- Where should we go next? {Azusa+}
🏆Achievement 7 : Invite to Dinner - Boldly asked her to dinner
- It would've been nice if Kota and Kasumi were here too {Azusa-}

Enthusiasm for escape room
- Of course, we will {Azusa+}
- O-okay {Azusa-}

Future goals
- Got a job at a good company {Azusa+}
🏆Achievement 8 : Foreheads together - Foreheads touched with Azusa
- Changing the future {Azusa+}
- I don't have one... {Azusa-}

It's my first time playing until night
- Even with your boyfriend? {Azusa+}
- That's kind of unexpected! {Azusa-}

How are things with Kasumi?
- Asking again...
- I'm sure it happened back then {Azusa-}
- Nope {Azusa+}

It's getting a little chilly...
- Time to steer things toward home {Azusa+}
- Puts a jacket on her {Azusa+}
- Round two {Azusa-}
🏆Achievement 9 : Heavy Drinker - Suggested another drink

Azusa is sleeping...
- Puts a blanket over them {Azusa+}
🏆Achievement 10 : Pulled into Bed - Pulled into bed
- Touches gently

Drinking invitation
- Are you serious?
- You're joking, right? {Ai-}
- How about today? {Ai+}

🏆Achievement 11 : Chapter 1: CLEAR - Chapter 1 Cleared

First contact with my Fave?
- Asking for contact info {Chitose+}
- Sharing the part-time job place {Chitose+}

Promise from high school
- I would never forget {Yuki+} {Azusa-} {Kasumi-}
🏆Achievement 12 : A White Lie - Faked remembering a promise
- I completely forget {Yuki-}
🏆Achievement 13 : An Honest Person - Admitted to forgetting a promise

What do you think about annual tradition?
- I'm really looking forward into it! {Kasumi+}
- The meat is free! {Kasumi-}
- It's a bit of a hassle! {Kasumi-}

[Message 4]
- Yuki
- Usual crew group : I'm sorry. I won't do it again {Azusa+} {Kasumi+}

After the BBQ
- Wanna do fireworks? {Kasumi+}
🏆Achievement 14 : Making a Suggestion is Key - Suggested fireworks
- Do we still need more meet?

Childhood friend, or...
- First, you deny it {Kasumi+}
- Repeats while denying {Kasumi-}
- Stay silent {Kasumi-}
🏆Achievement 15 : Pleading the Fifth - Avoided the important question

Ho was the date?
- It was fun {Kasumi-} -> [Message 5]
🏆Achievement 16 : Can't Tell a White Lie - Said you enjoyed the date
- I really wanted to go with everyone
- I wanted to go with you, Kasumi {Kasumi+}

It's like jour jobsearch is going well
- That's not true {Kasumi+}
- Yeah, I hope so

Continuation from earlier?
- You realize what it is {Kasumi+}
- I need some time to think {Kasumi-} -> [Message 5]

The answer to confession
- You're joking, right? {Kasumi+}
🏆Achievement 17 : Heading Home from the BBQ Together - Walked Kasumi home
- Alright... Let's go out {Kasumi-}
🏆Achievement 18 : Suspecting It's a Joke - Thought her affection was a joke
- I have no idea {Kasumi-}
🏆Achievement 19 : A Snap Decision - Accepted the confession immediately

[Message 5]
- Chitose
- Azusa
- Miku : Sure. It's around 7 a.m. That works {Miku+}

A service from me
- Okay, I confess {Azusa+} {Kasumi-}
- No way {Azusa-} {Kasumi+}
🏆Achievement 20 : Lies Always Come to Light - Tried to take credit for paying

If we were called at the same time
- Head over to Azusa and Kasumi's table {Azusa+} {Kasumi+} {Chitose-}
- Head over to Chitose's table {Chitose+} {Azusa-} {Kasumi-}

The first one is...
- Azusa {Azusa+} {Kasumi-} {Chitose-}
- Kasumi {Kasumi+} {Azusa-} {Chitose-}
- Chitose {Chitose+} {Azusa-} {Kasumi-}
- Ai {Ai+} {Azusa-} {Kasumi-} {Chitose-}
🏆Achievement 21 : Won Over by Meatballs - Shared meatballs with everyone
Note: This achievement is unlocked after we choose to serve meatballs to all 4 girls

I can totally imagine you saying that
- Ochazuke {Kasumi+} {Azusa-} {Chitose-}
- Mixed fried rice {Azusa+} {Kasumi-} {Chitose-}
- Yakisoba {Chitose+} {Azusa-} {Kasumi-}

To emerging love quadrangle
- Why not just go all in and teli her how you feel?
- Actually

[Message 6]
- Yuki : Got it {Yuki+}
- Chitose : Thank you -> Please spare me {Chitose+}

🏆Achievement 22 : Chapter 2: CLEAR - Chapter 2 Cleared

The reason I helped
- Becaouse you look in trouble {Miku+}
- Because I want to look cool

Did we meet for the first time?
- The first time
- What do you mean? {Miku+}

Trouble?
- Don't worry about it
- Let's not mentioned it {Yuki+}

🏆Achievement 23 : The Kindness of Not Prying - Steered the conversation away

Speaking of an Asakusa date
- Let's ride a rickshaw! {Yuki+}
🏆Achievement 24 : Ride a Rickshaw - Rode a rickshaw
- Let's walk around the town!
🏆Achievement 25 : Another Strawberry Candy Apple - Yuki asked for seconds

Do you dislike younger people?
- Yes {Yuki+}
- No {Yuki-}
🏆Achievement 26 : Spotted on a Date - Date with Azusa was spotted

My fave shows up...
- Ignores {Yuki+} {Chitose-}
- Help someone who's not feeling well {Yuki+} {Chitose+} -> My fave's drunk appearance
- It's a ghost -> ENDING 1
🏆Achievement 27 : [Special END] Ghost - [Special END] Attacked by a ghost

The end of the date
- Let's make the date a little longer after this? {Yuki+}
🏆Achievement 28 : Hold Hands with Yuki - Held hands with Yuki
- What do you want to do after this? {Yuki+}
- Today was fun, huh? {Yuki-}
- Shal we head home? {Yuki-}

My fave's drunk appearance
- I'm a fan of you, Chitose-san {Chitose+}
🏆Achievement 29 : Fulfilling the Need for Approval - Fulfilled Chitose's desires
- What are you talking about? {Chitose-}
🏆Achievement 30 : Wanting to Hear "I Love You" - Denied Chitose's desires

Do you have a crush on someone
- I don't have anyone I like {Yuki-}
- I don't know {Yuki-}
- Stay silent {Yuki-}
🏆Achievement 31 : Being Ignored Hurts the Most - Didn't answer the question

What do you think of me?
- A junior from high school, I guess {Yuki-}
- Like a little sister, I guess {Yuki-}
🏆Achievement 32 : Getting Her to Call Me "Big Bro" - Called "Big Bro" by Yuki

Wait for me for 5 years! Let's get married.
- Are you really okay with that? {Yuki+}
- That's... kind of big ask {Yuki-}

[Message 7]
- Yuki : I had a great time too {Yuki+}
- Ai : I'll make sure not to catch a cold {Ai+}

🏆Achievement 33 : Chapter 3: CLEAR - Chapter 3 Cleared

That awkward moment
- Apologyzing {Kasumi+}
- Trying to dodge
🏆Achievement 34 : This Pillar is the Best! - Praised a hidden pillar

If I'm curious, I'll ask
- Asking about Azusa {Kasumi-}
- Asking about Kota {Kasumi-}
🏆Achievement 35 : The Unsung Hero - Asked Kasumi about Kota

Report submission
- Gonna speed-run it {Azusa+}
🏆Achievement 36 : Aim for a Great Workplace! - Studied hard for credits
- Sorry, looks like it'll take some times {Azusa-}

Drinking too well
- Broken hear?
- Something happen? {Ai+}
- You don't push the topic {Ai+}
🏆Achievement 37 : Actually Can't Handle Beer - Guessed you dislike beer

A favor from someone you can rely on
- Digging deeper into conversation {Ai+}
- Offering to help {Ai+}
- Showing empathy {Ai-}

I want to be helpful
- Pretend to be your fiance {Ai+}
- Talk to him as a friend {Ai-}
- I'll think about it more {Ai+}
🏆Achievement 38 : A Victory Without a Plan - Attempted a reckless rescue

I don't want to be alone
- No plan {Ai+} -> [Message 8]
- Alreay have plans {Ai-} -> [Message 9]

[Message 8]
- Azusa
- Kasumi

Eyes speak louder than words
🏆Achievement 39 : Ai Comes to the Room - Ai came to the room
- I wasn't looking {Ai-}
- I'm sorry {Ai+}

Teasing
- That's doesn't sound convincing {Ai-}
- Avoiding temptation {Ai+}
- Applies a pro wrestling move -> ENDING 2
🏆Achievement 40 : [Special END] To Know Powerlessness - [Special END] Lost to Ai

Is the future changing? -> Who are you?
- It's a good change {Ai+}
- I'm not sure {Ai-}
🏆Achievement 41 : Dive into Bed - Ai dived into bed
Note: Choosing any options will unlock achievement

[Message 9]
- Azusa : Sure {Azusa+} -> A confession from my childhood friend
- Kasumi : Yeah I do {Kasumi+} -> Have you thought about anything since the confession?
Note: In this message, choosing to meet any girl first will cause the invitation option for the second girl to disappear.

A confession from my childhood friend
🏆Achievement 42 : Meet with Azusa - Decided to meet Azusa
- Mixed feeling {Azusa+}
- Happy {Azusa-}
- Conflicted {Azusa-}

Have you thought about anything since the confession?
🏆Achievement 43 : Meet with Kasumi - Decided to meet Kasumi
- Still thinking {Kasumi+}
- Not yet {Kasumi-}

Push when they pull
- Rest head gently {Kasumi+}
- Not okay before we're even dating

Who are you?
- I'm Ai's fiance {Ai+}
- I'm Ai's... um... {Ai-}

For the sake of happiness
- I'll pay the money! {Ai-}
- Set her free already! {Ai+}

🏆Achievement 44 : Chapter 4: CLEAR - Chapter 4 Cleared

Be my conversation partner until I fall asleep
- Just until you fall asleep {Chitose+}
- I'm heading home {Chitose-}

Did something happen yesterday?
- Of course not, I'd never do anything like that {Chitose+}
- I'll leave that in your imagination {Chitose-}

The fans found out where I live
- You should consider moving {Chitose-}
- Tell her to reach out if anything happens {Chitose+}

I want you to meet my father
- No way {Yuki-}
- Meeting him is a bit much... {Yuki+}
🏆Achievement 45 : Conflict with the Zaibatsu - Announced you're dating Yuki

Is it true you're dating my daughter?
- Affirmative {Yuki+}
🏆Achievement 46 : Sparking a Mischievous Spirit - Yuki felt mischievous
- Negative {Yuki-}

How do we proceed with out relationship
- Wants time to face things {Yuki+}
- Doesn't want to be one-sided {Yuki+}

Tell me about your dreams
- I want to help with the shop {Ai+}
- I want to go to the shop

The type of get involved in everything
- I'll be careful
- I'll face it head-on {Ai-}

[Message 10]
- Chitose : I'll go get anything you need / Let's talk to the police about it{Chitose+}
- Ai : You becareful too, Ai-san {Ai+}
- Yuki : Thanks {Yuki+}

My fave's address get exposed
- Talkto the police
- I'll handle it {Chitose+}
- Out of my hands {Chitose-}

Can I stay with you
- Say yes {Chitose+}
🏆Achievement 47 : Bed-Diving Déjà Vu - Bed-diving déjà vu
- Say no {Chitose-}

How will you confront this?
- Asking Ai for help
- Asking Yuki for help
- Heading out alone

Facing the criminal (with Ai)
- Stalling with conversation {Ai+} {Chitose+}
- Encouraging to go to the police {Ai+} {Chitose+}

🏆Achievement 48 : Feeling Ai's Love - Ai rushed to help

You have been shining lately
- Because it's my second life
- It's thanks to Ai-san {Ai+}

If you could go back to past, would you? -> [Message 11]
- I wouldn't want to go back {Ai+}
- Maybe back to elementary school
🏆Achievement 49 : I Want to Make Money! - Planned to resell cards

Facing the criminal (with Yuki)
- Stalking with small talk {Yuki+} {Chitose+}
- Urging to go to the police {Yuki+} {Chitose+}

🏆Achievement 50 : Seeing Yuki's Tears - Saw Yuki's tears

Do you like me or my fav?
- I don't {Yuki+}
- She's my fav {Yuki-}

Would you have help me too? -> [Message 11]
- Of course I would {Yuki+}
- Hmm, I don't know {Yuki-}
🏆Achievement 51 : Bodyguard - Mentioned her bodyguard

Facing the criminal (alone)
- Making conversation to stall
- Prompting to go to the police

The criminal attacked
- Trying to dodge {Chitose+}
- Facing him head-on -> ENDING 3
🏆Achievement 52 : [Special END] Courage is Built on Preparation - Stabbed with a knife

[Message 11]
- Usual crew group : I am {Azusa+} {Kasumi+}
- Mother
- Miku : That works {Miku+}

A sudden appearance
- She's beautiful {Chitose+}
- Why are you here? {Chitose-}

What have you been doing?
- Just admiring the night view
- I was thinking about you, Chitose {Chitose+}

Which one do you want me to wear?
- Left one
🏆Achievement 53 : Cute is Justice - Chose the cute cosplay
- Right one {Chitose+}
🏆Achievement 54 : Sexy is Justice - Chose the sexy cosplay

🏆Achievement 55 : Chapter 5: CLEAR - Chapter 5 Cleared

I want to be like you
- It's like looking at my self {Miku+}
🏆Achievement 56 : Draw Them Out with Empathy - Drew her out with empathy
- I just caught up in everything

A sudden turn of events
- Wathing videos {Miku+}
- Studying

This is definitely...
- Time leaping...? {Miku+}
- You're quite the Chitaso fan, huh?
🏆Achievement 57 : The World's Worst at Reading the Room - Said something clueless

Back then...
- I was irritable back then... {Miku-}
- I'm glad I was able to help back then {Miku+}

Looking back...
- I regret not helping you
- I had been wondering
🏆Achievement 58 : Discovering the Secret of the Sweets - Learned the package's secret

Can I change the future?
- Let's change it {Miku+}
- But first, let's enjoy the moment

If we were to go on a date
- Walking through a park at night {Azusa+}
- Setting off fireworks {Kasumi+}
- Strolling through a downtown neighborhood {Yuki+}
- Cooking and drinking at home {Ai+}
- Staying at a hotel with a beautiful night view {Chitose+} {-Decrease all other girls}
- Touring a snack factory {Miku+}
Note: Each choice unlocks an achievement tied to the memory revealed:
🏆Achievement 59 : Memories with Azusa - Remembered the date with Azusa
🏆Achievement 60 : Memories with Kasumi - Remembered fireworks with Kasumi
🏆Achievement 61 : Memories with Yuki - Remembered the date with Yuki
🏆Achievement 62 : Memories with Ai - Remembered Ai's cooking
🏆Achievement 63 : Memories with Chitose - Remembered the night with Chitose
🏆Achievement 64 : Memories with Miku - Remembered Miku's sweets

Do you have crush on someone?
- Yes {Increase favorability all 6 girls}
- No {Decrease favorability all 6 girls}
- I like all of you -> ENDING 4
🏆Achievement 65 : [Special END] The Harem Share House - [Special END] A future for everyone
Note: This option will appear only when you complete Climax champter and open all END
- Stay silent
🏆Achievement 66 : Kota is an Ally - Protected by Kota

What is your favorite cosplay?
- Animal style {Azusa+}
- Maid style {Kasumi+}
- Police officer style {Yuki+}
- School uniform style {Ai+}
- Little devil style {Chitose+}
- Shrine maiden style {Miku+}
Note: Each choice unlocks an achievement tied to the fantasy dreamed:
🏆Achievement 67 : Azusa's Fantasy - Imagined Azusa's cosplay
🏆Achievement 68 : Kasumi's Fantasy - Imagined Kasumi's cosplay
🏆Achievement 69 : Yuki's Fantasy - Imagined Yuki's cosplay
🏆Achievement 70 : Ai's Fantasy - Imagined Ai's cosplay
🏆Achievement 71 : Chitose's Fantasy - Imagined Chitose's cosplay
🏆Achievement 72 : Miku's Fantasy - Imagined Miku's cosplay

Pushed forward by my best friend
- Say name softly
- Nods
- Take Kota's hand -> ENDING 5
🏆Achievement 73 : [Special END] Friendship Over Love - [Special END] Friendship was the answer

🏆Achievement 74 : Chapter 6: CLEAR - Chapter 6 Cleared

Note : To unlock the CLIMAX chapter, each girl must have at least 50% favorability or higher.

A friend and a rival in love
- Kasumi has nothing to do with this {Azusa-}
- I'll turn Kasumi down {Azusa+}

The reason is not anyone else
- Your face is my type
- I can be my self around you {Azusa+}
- I'm not sure... {Azusa+}

How do you see our friendship
- What matters is our relationship
- Everyone matters {Azusa+}
- What matters is my self {Azusa-}

🏆Achievement 75 : [END] Azusa: BAD - Stayed in the friendzone

Note: Even with less favorability, the best choise to get happy ending is 2 - 3 - 1 or 2 - 3 - 3 (Relationship is matter).

Kota married Kasumi
- Didn't think they'd be the ones
🏆Achievement 76 : [END] Azusa: HAPPY? - Pushed for marriage passively
- They beat us to it...
🏆Achievement 77 : [END] Azusa: HAPPY - Showed you're serious about marriage

Is it correct to say you love me?
- Yeah I do {Kasumi+}
- Let's get married {Kasumi+}

The reason why I like you
- Because no one could ever love me more than Kasumi does
- Because I realize I want to stay with you from now on {Kasumi+}

Beyond my own love for me
- Yeah {Kasumi+}
- I think it might take time {Kasumi-}

🏆Achievement 78 : [END] Kasumi: BAD - Made her lose her feeling

Note: Best chioces to get happy ending is 2 - 2 - 1 (It must fulfill the reason that prove to deserves it).

They won't get distracted, right?
🏆Achievement 79 : The pressure to smile - Faced divorce with a smile
- I wont {Kasumi+}
🏆Achievement 80 : [END] Kasumi: HAPPY - Found true marital bliss
- I love only Kasumi {Kasumi+}

Her dad come along
- Gives up {Yuki+}
- Doesn't like it {Yuki-}

Have to express love
- I want to tell Yuki directly {Yuki+}
- To Yuki's father {Yuki-}
🏆Achievement 81 : Men Who Don't Understand a Girl's Heart - Confess to Yuki's father

The form of deserving it
- I'll work hard to prove my self {Yuki+}
- I believe I can worthy of her

Determination to takeover the company
- Pretending to be confident {Yuki+}
- Can't say something reckless {Yuki-}

Note: A bad ending will occur if favorability isn’t maxed out. Reach full favorability unlock the happy ending.

🏆Achievement 82 : [END] Yuki: HAPPY - Become a CEO for Yuki
🏆Achievement 83 : [END] Yuki: BAD - Didn't meet Yuki's expectation

You want to date me
- Nods {Ai+}
- Preaching Seriousness {Ai++}

The reason is me
- Because you have a mature charm
- There's no real reason for liking someone {Ai+}

I'm afraid of losing
- Reassuringly {Ai+}
- Gently understanding

What's you dream?
- To get a job at a good company {Ai+}
🏆Achievement 84 : Teased Until the Very End - teased about the time leap
- Supporting her dreams of opening a shop

Note: Even with less favorability, the best choise to get happy ending is 1 - 2 - 1 - 2 (Supporting her dreams of opening a shop).

🏆Achievement 85 : [END] Ai: HAPPY - Opened a shop with Ai
🏆Achievement 86 : [END] Ai: BAD - Made Ai want to be alone

The reason I support you
- Looks {Chitose-}
- Personality {Chitose+}

Nervous becoming famous
- I came from the future {Chitose+}
- Encouraging {Chitose-}

🏆Achievement 87 : [END] Chitose: BAD - Become Chitose's #1 fan

Note: The story below requires maximum favorability

The balance between career and love
- I want to be with you, anyway {Chitose+}
🏆Achievement 88 : [END] Chitose: HAPPY - Waited and then Married
- I'll wait until you're famous {Chitose+}
🏆Achievement 89 : [END] Chitose: HAPPY? - Broke up, but become her staff

Is it fate or destiny?
- That's why I believe you're my destiny person {Miku+}
- I feel like I have some kind of mission

The reason for your kindness
- Because it's you, Miku-san {Miku+}
- Because we both time-slaped

Are you in a relationship?
- If he's in relationship
- If he's not in relationship

Note: Here are the key choices required to unlock all three endings.
HAPPY : 1 - 1 - 2
BAD : Any option but that
Another BAD : 2 - 2 - 1

🏆Achievement 90 : [END] Miku: HAPPY - Quit your job with Miku
🏆Achievement 91 : [END] Miku: BAD - Miku stood up to the boss
🏆Achievement 92 : [END] A world without Miku - Miku vanished from the future

And after complete all those end, just follow the scene until get this.

🏆Achievement 93 : [Special END] Losing sigh of What's Important - Join the bad company

Favorability Achievements
Favorability Achievements could open in some contions:

• When it reach half or more favorability by the end of the chapter, it will unlock the MAX Achievements
  
• If favorability of any girl drop to 0% by the end of any chapter, it will open BAD achievements even without opening Climax chapter

🏆Achievement 94 : Max Relationship Levels[Azusa] - Max Affinity with Azusa
🏆Achievement 95 : Max Relationship Levels[Kasumi] - Max Affinity with Kasumi
🏆Achievement 96 : Max Relationship Levels[Yuki] - Max Affinity with Kasumi
🏆Achievement 97 : Max Relationship Levels[Ai] - Max Affinity with Ai
🏆Achievement 98 : Max Relationship Levels[Chitose] - Max Affinity with Chitose
🏆Achievement 99 : Max Relationship Levels[Miku] - Max Affinity with Miku

Last Achievement
After reaching all story by 100% completion, just start a new game to unlock the last achievement:

🏆Achievement 100 : Love Starts Again - Started a New Game+

Thanks for reading!
I’ve created several other guides to help everyone navigate features, settings, and gain full achievements. You’re welcome to check out the full archive, and feel free to share or contribute if you spot something new.
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=3544159746