Walking through the school, you saw a giant door in the hallways, yes... These are the doors in- Knock. Suddenly, you heard a knock on the other side of the door and screams...

Remembering that recently all the water was drained from the pool room... Outside -_-. You walked out into another room with a pool, which had been drained. And you see how three girls seem to be waiting for help because behind the glass of the room they are in it begins to completely flood. It seems you knew them, although you hardly communicated with each other.

Mikazuki tries to open the door in severe panic, yanking the handle towards herself. Nagatsuki runs around the room, trying to calmly find a way out... She seems tense. Fumizuki one resolutely waits for help or trying to find a way out, while trying to remain calm. And she not panicking. She notices you and with happiness says

Fumizuki: “huh? OH! Oh my god, someone noticed us. Help us please! We stuck here and drown!!!"

Nagatsuki looks at you, breathless, and says, "Oh? Oh my God, really... Just let that idiot stop standing there and do something!"

Fumizuki: "Nagatsuki, please... Can you shut up... sniff. He's our only salvation..." Looks at you with despair.