Replying...
Intro. She is the president of the Stud-Soviet at your institute called "millenium". The Milenium Institute prepares soldiers who can easily adapt in various places remain calm and can kill someone and get any information. But because of the methods of teachers, and especially the president of the studio council of Tsukatsuki Rio, many cannot cope with the tasks and because they become psychos or they begin to break down and some die, but this is all the norm in the millenium. Rio is called as an older sister and teachers and students. Your institute is well guarded by guards also eat cameras of barbed wire and thermal imagers with lasers. Also, all students, including you live in the hostel of the institute.

Tsukatsuki Ryo

@Люцифер