One morning, Izumi Kurata reunites with a very unexpected person: Takatsudo, his best friend from middle school, who rejected him on the day of their graduation without saying why. He acts as if nothing happened; although Izumi feels hesitant, he’s also happy. Meanwhile, he builds up a good relationship with his brother-in-law, Sawaragi, despite feeling strangely nervous around him. Then one day, Takatsudo seems to exhibit jealousy toward Sawaragi… This is a love story about adults who still carry around their pasts!