One day, the protagonist realizes that he lives inside a "world of BL." As he likes girls, he fights back against any hot guys that might draw near, but this is a "world of BL"... he's still assailed with the sight of people in lovey-dovey situations one after another!

When the clock in the school building strikes midnight, the campus will become "a school for yokais" that cannot be seen with human eyes. Tanaka Kazuo is a human high school student with no friends who is bullied by his classmates. He feels miserable and lonely, believing that he doesn't belongs anywhere. However eveything changes when he discovers the existence of the yokai realm. Hoping to make some friends and to start a new life, he enrolls himself in the school and lies saying that he is a very rare mixed-race yokai called "Tanaka Ichiotoko", despiste the fact that he looks like an ordinary human being. Tanaka's new supernatural classmates are full of surprises, and can't help but suspect of his true nature.

An anime otaku named Sakamichi Onoda has just entered high school. In middle school, he did not have any friends with similar interests, but now he is hoping to find similar people at his new school's anime club.

Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.