Umi, a serious businessman, meets Kai, a handsome man, at a laundromat. He has just been evicted from the room of a girl he was staying with and is in need of a place to go, so he decides to let Kai stay in his room.

They eat together, sleep together, and Umi, who has always felt lonely, gradually becomes attracted to Kai as he lives with him.

When Umi finally gets up the courage to confess to Kai that he wants to go out with him, Kai kisses him and he is happy that he is now his boyfriend.

However, it turns out that Kai did not actually intend to go out with Umi...

A heartwarming love story of a handsome man with a pimp's temperament and a pure, earnest, and sincere lehman in a six-tatami-mat room!