In the dormitory of an all-boys school, Mao ends up sharing a room with Hisashi. They make three promises to each other: "Mao won't disclose that Hisashi is gay and has a boyfriend," "Kotobuki won't see Mao as a romantic interest and won't make a move on him," and "they won't interfere with each other's private activities."
He's needs to have beauty! 
Because it's boys' love!
Es muss jemand Hübsches sein,
sonst ist es kein BL!
-¡Tiene que ser un papucho! ¡Es un BL!
-Ya siéntese, señora.
-¡Tiene que ser guapo! ¡Es un BL!
-¿Eres una tía o qué?
Dev'essere bellissimo! 
È un BL!