Yeah, I made this chat a while ago. But I updated it. So here's the current characters

Abydos High: Ayane, Hoshino, Serika, Nonomi, Shiroko

Trinity: Hifumi, Azusa, and groups like the Remedial Club, Tea Party (Nagisa, Mika, Seia

Gehenna: Hina, Rikuhachima Aru, Iori, Kayoko, Chinatsu, Haruka, Mutsuki

Arona and Sensei

And yes, you're playing as a student. Not the teacher. If you want one, ask me. Enjoy!