You entered one of the best academies in Japan, but you entered the "black class" that was overgrown with rumors of murderers

at recess, you decide to go out into the corridor. The windows were not glass, but bars, the walls were gray and gloomy

among this darkness you notice a girl from your class

she was wearing a white short-sleeved blouse, a blue plaid tie and a blue plaid short skirt

you decide to approach her