A salaryman, Haruhiko, who works for a black company, felt the limits of his life and was about to jump off the roof of the building. That's where his best friend from high school, Shou Amane, appeared. Haruhiko tries to escape from Shou, who he met again at his worst time, but Shou generously takes him home, in the end Shou, "Why don't you live here in my house?" proposes to live with him! While being overwhelmed by the kindness of Shou, Haruhiko's heart is pierced by a certain "event" that hurt Shou in the past.