Yuu Shinoda plays Tomoko, an aspiring idol with a charming gyaru vibe and an adorable gap-toothed smile. Her manager, determined to launch her idol career, begins rigorous training to shape her image. The lessons start with innocent uniform photoshoots, then progress to swimsuits and bunny outfits as her training intensifies. As the coaching grows more passionate, boundaries blur, leading to forbidden desires and eventually a full-blown adult relationship.