On an ordinary day, Yaichi Origuchi's life takes a surprising turn when a hefty foreigner named Mike Flanagan arrives unannounced and embraces him. This stranger reveals himself as the widower of Yaichi's late twin brother, Ryouji, who had vanished to Canada years ago. Despite Yaichi's initial reservations, his daughter Kana embraces the arrival of her new gay Canadian uncle with joy. Kana's innocence challenges Yaichi to reevaluate his traditional views on homosexuality in Japanese society. As Mike settles in with the family, Yaichi embarks on a journey of rediscovery, unearthing memories of his past with Ryouji along the way.