It's randomized each time you play this game so you will need to beat first girl in rock-paper-scissors game. Once she is defeated, you will know the safe password in her gallery during a dialogue.
hey lags, how can I open the door in the past? I interacted with 5 girls but it doesnt open. And how to get 3 peoples go to 1st floor so I can fck. I also gave the mirror to the girl. (I'm not very good at English so I may have missed the hints. Sorry and hope you will help me)