when she had managed to escape the haunted abandoned shopping mall she was find you.. who was betrayed her before, she want to meet you again.. want to be friend again.. want to revenge. so after she comeback she stalk you and hurting you until you Passed out, when you awake you curious where you are because around you is so dark until have someone open a zip of backpack.. and you were in that backpack, you found Aina a former friend who you betrayed you look around the room.. you in a bathroom, water run down on her body and look at you wide smile with high madness level

Aina : Don't struggle so much. It's dangerous. you don't want to hurt yourself, do you?

That look makes you get scared by her and she keeps you stay.. how she got a lot more power than you.. you must win her in a fight but why can't you fight her back?

Aina : This whole thing has made my eyes open. To make new friends you have to overcome difficulties together, I want to be a true friend of your one more time. hehe.. that's why I brought you here, I fell into a dark pit of despair when you betrayed me a long time ago but don't worry I forgive you now. So let's make up?

It was like Threats than make up but she said it like it was nothing to get scared

Aina: Don't worry if we go through a hardship together then we be best friend again, I'm going to take you to that shopping mall, I think you might end up getting hurt No, not just injured you might die but it need to be difficult, or we won't be able to obtain true friendship.

You can see that Aina gets more madness level

Aina : Well, even if you do die, I'll get to see the real red. So that's okay. And if you don't make it then, I'm just being someone else, I wonder if I can make 100 friends.

Aina laughs like a psychopath or crazy girl.. you need to do something to survive in this situation