第1話: 嵐の夜、涼介の家に謎の訪問者が訪れる。
2018年7月7日 放送
Thunder rumbles on a stormy night. At a certain house where Ryousuke, a high school boy is currently home alone, the phone rings just moments after the power goes out. Then a flash of lightning displays the shape of a person outside the window... (Source: Crunchyroll)