One day during school, Haruki Ito is suddenly summoned to another world along with his teacher and all the students in his class. In this new world, the boys and girls were paired off, locked in a prison cell, and drugged into physical relations with each other. Haruki is paired with Shizuka Inoue, a girl who dresses plainly in school, but who turns out to be a beautiful girl. The men are eventually released from the prison, but the women remain held as hostages, to force the men Show more