Sugino Haruka plays Kurosu Koshiro, who stays at home because of failing the university entrance exam. He attempts to hang himself but fails. A hole opens in the wall, and he can see the life of his beautiful neighbor Miyaichi, played by Fukuhara Haruka, and gradually falls in love with her. However, one day he actually sees her killing someone, and the peeping incident is exposed. Kurosu confesses his love, and the two begin dating.