One attempt took about one to two minutes, and then I just restarted

I think it takes me less then 100 tries or maybe a little bit more (my playtime is 5 hours). I wrote the details in the comments to the achivement guide.

How many attempts were there? I created a macro to do this and I've been trying for more than 15 hours (about 180 attempts)

Thank you all for the comments (@⛧Xerxes126⛧ Neptunia is the GOAT lol). It's a bit frustrating that I got this one right before the steam record feature has been added so this proof isn't that encourageous. But at least it isn't just a joke like that one impossible achivement in Stanley Parable or something.

Someone finally did it... congratulations on the achievement!

(I like your Asuka pfp btw.)

Congrats, so it's just a game of luck then?

wow! impressive so it's not impossible at all thanks for this confirmation!