Yukimura-sensei is famous for being beautiful. It's true that he's both terribly beautiful and capable… However, he's also somewhat ferocious. Although Kei is treated coldly by him, he continues to stay over at sensei's place for spiritual nourishment. Kei is constantly stunned by sensei's sweet love-struck side, yet the atmosphere around him freezes when he finds out about sensei's ex-boyfriend. Will he be able to make such a charming person fall in love with him?!