My Girlfriend is a Serial Killer

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