After receiving a 860,000 yen debt for spilling coffee on a stranger's expensive coat, Masamichi "Mari" Kiyatake pays it off by letting the man live with him at his house. Despite the bizarre living conditions, Mari knows next to nothing about the beautiful long-haired man who makes him coffee every morning, other than his name—Haru Satou. Nonetheless, Mari passively allows the arrangement to happen without much resistance, which deeply intrigues his new housemate.

The reserved Mari is reluctant to open up to the bold and pushy Haru, yet he cannot help but be enamored by his beauty. As time passes, the two men find themselves growing closer together even though they have nothing in common.

[Written by MAL Rewrite]