Matsuno is a lawyer who lives by the rules, but a wild night of drinking lands him in bed with Rin, a male prostitute struggling to make ends meet. Rin is like a stray cat, wandering the city's nightlife in search of clients. When Matsuno encounters Rin again a few days later, he offers him a bed and food, but makes it clear that he's not interested in a romantic relationship. Despite their differences and misconceptions, their story is one of bittersweet love.