Tooru is a shy and quiet student who has developed a special crush on his close friend Ryouji, the most popular member of the high school swim team. In front of Ryouji, Tooru hides his feelings and acts as if he is just one of Ryouji's good friends, but

Tatsuki and Oota are two beings from a supernatural, mythical realm, masquerading as cousins in the human world. Tatsuki is in fact the successor to Ryuu-Ou, the dragon king, and possesses the power of the Nyoi-Houshu, a magical dagger. Oota is a Zashiki