Suzune Sengu, a young voice actress, has been struggling for six months to get over the retirement of her favorite idol, Karin Shotsuki. One day, Karin appears as a new voice actress in Suzune’s agency! While Suzune tries to play it cool and keep her distance, Karin aggressively closes the gap between them. As Suzune starts to see unexpected sides of Karin, she begins to perceive her not just as an idol but as a woman.