The story revolves around Ichiko(Kaho), a woman who has been under state of withdrawal at home for 18 years. The chatting on internet with Ryo(Miyazawa Hio) is the only way she can connect the outside world. Ichiko’s mother Hasumi(Harada Mieko) talks to her through the door every day, but one day she suddenly collapsed. Being panicked, Ichiko makes emergency call but can’t ask for help. When she comes out of her room, her mother was already dead and cold.