A group of mid-twenty friends with unsteady jobs meet for a party where they intend to hook up two of their friends. Over the following weeks we follow their lives in four different small apartments as their relationships change and evolve and as everyone struggles with love.

Ushijima runs Kaukau Fiance, a black market lending agency which scourges its clients with interest rates as high as 50% for 10 days. Ushijima chases down his debtors, who normally come from the bottom of society, with ruthless efficacy.

Seven stories centered around marriage.