Hitokuchi Choudai

Yui Sasame, a vampire descendant, struggles to connect with her human classmates and is frequently late to school. Her class representative, Sekiya, constantly reprimands her for it. One day, frustrated by his scolding, Yui briefly considers an extreme act—draining his blood. This fleeting thought, however, leads to an overwhelming sensation described as surpassing intense pleasure. The story explores the consequences of such desires and the destructive paths they can lead to.