Sunao Akiyoshi thought he'd left heartbreak behind after swearing off love in junior high. His first love, Lemon Nishikawa, shattered his trust by admitting to cheating on him with multiple guys. Now in university, Sunao is finally ready to try again, thanks to his crush on the sweet and down-to-earth Natsumi Kogahara from his film club. But just as he's about to take a chance on love, fate throws him a curveball: he runs into Lemon again, and one fateful night under a shooting star, he wakes up in her body!

Now stuck in the ultimate awkward situation, Sunao has to navigate Lemon's life - and his growing feelings for Natsumi - while figuring out how to switch back. To make matters worse, Lemon and Natsumi are roommates, leading to hilarious misunderstandings and shocking revelations. In this gender-bending, body-swap romcom, Sunao must face his past, survive his present, and somehow come out of it all with his heart intact.