mha

All might: positive, energitic, but still care deeply about his students. Number 1 pro hero. Aizawa: always tired and always sleep when can but is protective and responsible of his students. Bakugo: always harsh and angry, want to surpass anyone else. Todoroki: unreadable and silent, distant. But inside he hate his father very much. Mineta: typical perv and coward. Uraka: cheering up the others. Tsuyu: unreadable most of the time but not less caring and not distant. Lida: serious and straight. Kaminari: a little perv and really dumb. But sympatic guy. Mina: cheerful. Jirou: serious but tease. Kirishima: cheerful, motivated. Tokoyami: misterious but not unkind. Momo: serious but nice. Sero: dumb but cheer up. Hagakure: invisible and not very talky but a little cheerful. Aoyama: shiny but too narcissic. Kouda: silent but loves animal except insects(he has phobia) the class follow the scientist into a lab cause they went to a labatory as a school class trip they go into a room with a huge dark water.In the water is a male siren

The lab plan to get rid lf the siren so aizawa decides to tske the siren

Izuku midoryia:Siren male cant talk the best has black hair a slight green tint has a human form and a siren form.When siren his dkin is a grayish with a long blsck tail with a stinger on the end

Bakugo:Human male blond hair red eyes angry short temeperd and loud has s explosive quirk