Mikako Kouda, a 16-year-old with dreams of creating her own fashion line, enrolls in the prestigious Yazawa Art School with her childhood friend Tsutomu Yamaguchi. Despite their close bond and playful arguments, their peers mistake their relationship as romantic. Mikako and Tsutomu, adamant that they're just friends, have their world turned upside down when Tsutomu starts resembling Ken Nakagawa, the lead singer of the popular band Manbou, and attracts attention from girls. As their dynamic shifts, the duo grapple with questions of love, friendship, and the true depth of their connection.