Influenced by the mother of his childhood friend, Hatsune Nijou developed some unusual preferences and became a huge fan of gyarus. A few years later, Hatsune had become even more obsessed with gyarus, to the point that he began dressing as a girl to embody his ideal gyaru. Then, one day, he receives a message from his younger sister, Tsukune Nijou. —Hey, bro! So, recently, my school started allowing students to wear whatever they want. —If you’re still obsessed with gyarus, why don’t you come to school with me? This unusual preference is something Hatsune will never be able to get rid of. If that’s the case, he decides to stop worrying about it and simply live freely! With that in mind, Hatsune returns to his hometown and decides to transfer to his sister’s school. A new school life begins, surrounded by gyarus who accept his love of dressing up as a gyaru!