Masamichi is about to take up postgraduate study. He invites six student friends round for a farewell dinner at his Kyoto flat.

In 1924 Yuri killed 57 people as a spy before going underground as the madam of a small brothel. There, she encounters an orphan whose family was murdered and holds the key to finding a large sum of money reported missing by the Imperial Japanese Army. But with an army of soldiers after them, they must fight to survive.

While searching for his fiancee Ritsuko, Sakutarou rediscovers through flashbacks the void deep within him caused by the events from his high school days.

The story of a strange living situation in a 2LDK apartment in suburban Tokyo. There are five residents ranging in age from eighteen to twenty-eight. They are not in any way romantically involved with one another, but one can see subtle hints of affection and friendship among them. In the end, however, none of them really know each other.