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.
Miyako works as a call girl, living with her close friend Sakiko. After encountering a client, Shintani, with whom Miyako experiences sexual pleasure for the first time in her life, the two women begin to drift apart. Miyako suggests that Shintani should sleep with Sakiko, an event that draws the three into a love triangle in which their various flaws and anxieties are reflected.