Amatsuyu, also known as Jouro, seems like an ordinary high school student until he lands two dates in one weekend: one with the student council president Cosmos and the other with his childhood friend Himawari. Both girls, however, are in love with his best friend Sun-chan. Jouro, pretending to be naive, decides to help the girls win Sun-chan's heart while scheming to win one of them for himself. Things get complicated when a classmate named Pansy not only uncovers Jouro's true nature but also confesses her feelings for him. As lies and misunderstandings pile up, the group of five must navigate through this chaotic romantic comedy.