"I'll turn you into the best top there's ever been!" Can the caring, handsome frontman really turn his sweet and innocent groupmate into a whole-package top?! Seiya, the frontman of pop sensation Sol4, always spoils the group's youngest member, Haruto. From fixing his mic, to touching up his clothes, Seiya acting like a caring parent has become part of his usual routine. But one day, Haruto excitedly tells Seiya about a lead role in a new TV show he landed... as the perfect BL top! Seiya can't help but worry after thinking about all of Haruto's baby-like antics, and decides it's his duty as a frontman to pretend to be a bottom to help Haruto get into the role. However, Haruto's expression suddenly shifts, and he turns toward Seiya...