Niseso No Hojo Sen (Hana Marubunko BLACK)

[Machine Translation] Kazuho Moriai is an ordinary teacher. He hides the fact that he is gay and spends his days in a reasonable way, but what depresses him the most is the fact that Shin Takahira, a student in his homeroom class, is absent too many times. When he asks Hatsu, Shin's twin brother and the student council president, he is always met with a blank answer, saying he has no idea why. One night, Kazuho is saved by Arata when he is in a dispute with an old man at a gay bar he frequents. Shin takes Kazuho to a hotel to thank her for her help. Since then, Shin has been forcing Kazuho to have sex with him even in school. However, Kazuho begins to have doubts about the behavior of Shin, who has begun to attend school normally, and Hajime, who is supposed to be an honor student...?

盛合和歩はごく普通の教師。ゲイである身を隠しそれなりの毎日を過ごす中で一番の憂鬱は、担任クラスの生徒・高平新の欠席が多すぎることだった。新の双子の兄で生徒会長を務める初に尋ねても、理由などわからないとはぐらかされてばかりだ。ある晩、和歩は行きつけのゲイバーで昔の男ともめているところを、なんと新に助けられる。新はその礼だと、和歩をホテルへ連れ込んだ。以来、新は学校内でもセックスを強要してくるようになる。だが和歩は、まともに登校し始めた新と、優等生であるはずの初の行動に疑念を抱き始めてしまい...!?