Assassination High- a Binan Koukou Chikyuu Bouei-bu LOVE! Dark fic

Binan High is a high school different from all others. The students are personally chosen, and the students only go for a year, learning curriculum other than academic courses. The members of the 'self-proclaimed Chatroom Chikyuu Bouei-bu' are invited to attend this top tier high school. Not thinking much about the invitation, they go. But they never knew... That they'd have to kill their peers and the head teacher in order to get out of their high school alive. Tapping into their dark sides, the five teenagers go into this challenge head on. Many secrets are revealed, and the only thing that seems to be said is "Welcome... To Assassination High..."