Yuriko, a woman who was severely hurt by love and gave up everything. When she wanders around a certain island, she meets Iwai, a strange man who rents a room at home for 500 yen a day. Yuriko, who decided to stay at Iwai's house, peeked at him that night because of his secret act of clinging to the love of the past. Yuriko becomes interested while mocking Iwai, and continues to live with him as if nothing had happened. All the while, spying on Iwai every night ...

Takeo Kikuchi is a steel factory worker who lives with his girlfriend Aki. One day, Kikuchi runs into an old friend named Jiro Soda, also known as "Denjiro", whom Kikuchi shares a deep secret since the day two encountered a certain “incident” in the past. It seems to be that Kikuchi's senior Ito, and Ito's business partner Takaido, also a hunter named Umezawa have something to be involved with, but the truth was not something to be easily spoken. From the day of that unexpected reunion, their peaceful life begins to fall apart...