Akiko (Mai Fukagawa) is a former idol, but now lives an ordinary life. She works at a company and keeps reminding herself that she is happy and to have a fulfilling day. One day, she walks to work and falls down. She becomes stuck and unable to move. Akiko breaks down mentally and decides to quit her job. Now, Akiko doesn't have a job, a boyfriend, and only 100,000 yen (~$700 USD) in her bank account. Her friend then tells her that she should move in with 56 year old salaryman Sasapon (Arata Iura), who lives alone in his house in Tokyo. When she visits Sasapon, he invites her to stay at his house on the condition that she can live there until his retirement. Their strange living arrangement begins.

Naoto was ignored by other people. During his school days, Chihiro was the first person who called his name. Naoto dreams of seeing her again and tries to find her. Finally, after 11 years, he locates her, but she is a totally different person now. Naoto becomes obsessed with her. Naoto sneaks into her house and stays under her bed.