Hiroharu's life is pretty great. He has a solid job, and he's happily in love with Natsuro, his boyfriend. On top of it all, Natsuro suggests that they move into a bigger place together since it's moving season. Unfortunately, everything comes to a screeching halt when Hiroharu comes face to face with his ex-boyfriend, Kazuaki. They dated five years ago until Hiroharu ended things, but when Kazuaki invites him out for a meal, old feelings resurface. Before he realizes it, they're having sex and Hiroharu is craving Kazuaki once more. Though Hiroharu promises it's a one-time thing, he's shocked to learn that Kazuaki is his new neighbor...!