Detective - Weiss/Amy
Policeman - Midori/Jun
Doctor - Cian/?

Trainers - Pink, Brown, Indigo... Citizens - Noire, Roux, Lila
Mafia - Hazel, Grey, Coal

The storyline kind of fixes to a twisted game of Mafia, where the Mafia aren't sure which citizens are the three they must take down in order to win the game. Innocent students at the unnamed university will be harmed.