Blessed with both beauty and brains, and talented in both academics and athletics, Takumi Shiratori is the perfect handsome guy everyone calls the school idol. But he has a secret. He’s been hopelessly hung up on his childhood friend Nanaho for so long that whenever she’s around, he turns into a complete disaster…! Meanwhile, Nanaho is totally obsessed with her favorite idol, Kurumin, and has absolutely zero romantic interest in Takumi. Determined to become more like Nanaho’s ideal guy—her 'oshi'—Takumi desperately tries every trick he can think of to get her attention, but…!? A romantic comedy full of crossed wires between a handsome guy who becomes hilariously useless because he’s so in love, and an oblivious fangirl devoted to her oshi!