9 bosses from the story:
1. Book-gathering spirit
2. Red Snake Leader
3. Rubezal
4. Ars Diabolus
5. Gaki (the three monsters in Nozuchi subquest)
6. Nozuchi
7. Mother of ImmoralityMana
8. Cambion
9. Zaebos (win the spar with the Knight after finishing all merchant's sub-quest, beating Ars Diabolus in the library, the Knight in Merchant's shop portal, and beating Mother of Immorality)Thank you for the comment, Sundae.

Clear the game with...
1. Reika as a virgin
2. Mana as a virgin

1. Rising Hunter (both virgin / purified)

2. Mother of Immorality (Mana non-virgin / corrupted)

3. Fallen Blade (Reika non-virgin / corrupted → steal the cursed mark)



ps: You can choose your ending with Ritual of Purification and Ritual of Defilement within one game loop. The place is as shown below.

These achievements have description in the game
1. Everything about Stealing (steal every skills)

2. "Rin" (Rin's atk is maximized and learn every engraving from skill)
----*I did it in three game loops, and remember to buy items beside the owl
----*Should be 200 for both Physic and Mystic atk

3. Demon Blade's Memory (recall all memories)

4. The Pinnacle of Skills (obtain all skills)
----*Including ones stolen from monsters

5. The Pinnacle of Training (Reika's basic states reach 50/50/50/50)
----*Requires new game +

6. The Pinnacle of Collection (obtain all accessories)
----*Including the ones forged from the tree spirit

7. Devil's Work (Complete the Monster Dictionary)

To be simple: just fight every monster; steal every ability, skill and item; open every chest; and forge everything from the tree spirit. I took 3 game loops to finish all collections.

1. Hyakki Yagyo (sword unleashed with monster)
This achievement shows the beauty of Yojutsu
----*This is the hard but best one from my game play.The hint from red samurai was really good.
----*How to: Use "Hundred Demons" with buffs of 4 Yokai (Kamaitachi, Sunamakidanuki, Spiritual Cleansing, and Skikigami)

2. Get Back to You Later (obtain Mana's Panties )
----Steal item from Red Snake Leader
----Thank you, forteanotherxx

3. I Said that... (try to steal Fairy Princess's sword)

4. Bless (defeat the Fairy Knight)
----*Stack your atk, use Ayakaze under Enhanced Strength during the 3rd and 4th phase
----*Use Defense when dealing with the Ultimate Skill. That way you'll take 499 damage, instead of 999

5. Those Who Live Together (spar with Zaebos)

6. A Long And Hard Battle? (resolve the case before acquiring Rin)
----*Recommend full character growth
----*You have only 3 turns to beat Id Man
----*Boss has about 7000 HP

GOMA AYAKAZE
----Achieved all achievements