Etsuro Kurosu faills getting into a university and becomes a hikikomori. One day, he tries to hang himself from a hook on the wall in his apartment. He fails, but his attempt leaves a hole in the wall. Through the hole wall, Etsuro Kurosu can now see Rio Miyaichi. He becomes fascinated with the girl that lives next door. Later, while peeping at her through the wall, Etsuro Kurosu sees her in the process of brutally murdering someone. He screams and is caught by her. Etsuro Kurosu confesses that he loves her and they start to date. Etsuro Kurosu feels happiness in his life, but what will happen to him? Will he be murdered by Rio Miyaichi?
福原遥
as Rio Miyaichi
杉野遥亮
as Etsurou Kurosu
江口のりこ
as Reina Enmeiji
江野沢愛美
as Haruko Kawasaki
笠松将
as Haruko's Older Brother
清水尚弥
as Gang Member
一ノ瀬ワタル
as Gang Member
おかやまはじめ
as Appartment Complex Landlord
Ikuma Nagatomo
as University Student
