“I’ll fall down to hell. If that would save the child, that’s nothing but a cheap price.” Mido Sayoko, a female high school student who is not good at sports, studying and personal relationships. One night, she was selected by future people from the 27th century as an experimental body called [Opponent], as teaching materials for a university class. Special abilities were given to kill each other, but Sayoko’s ability were neither nullification nor elimination ability, it was really [Nothing]. Sayoko struggles just to survive every night with there having no way to fight against an ability person. However, after a certain night, she decided to fight. ...To kill all opponents, including herself, except for one person.

[Original Webtoon](https://www.comico.jp/comic/10274)

"Let’s show our true selves—outside of work hours, at least." Satomi, a teacher who is well-liked by colleagues and students and prides himself on his exceptional communication skills, has one man he can’t handle. That man is Arimura, the strict, rule-bound teacher of the neighboring class, who is kept at a distance by those around him. Arimura, who refuses any personal conversation or invitations, is the ultimate challenge for Satomi. One day, Satomi hears a disturbing rumor: “There’s a dragon on Arimura-sensei’s back.” When Satomi finds himself alone with Arimura in the audiovisual room…? The moment he touches the hidden side of the reserved Arimura, who never reveals his private life, their relationship takes a dramatic turn— A refreshing teacher × a rigid teacher in a 'mutual unveiling' love story! **Original:** [Renta JP](https://renta.papy.co.jp/renta/sc/frm/item/403757/)