Idol Sister

Platinum Kiss, an idol group, features members Takano Ayaka, Kamii Maki, and Ooizumi Maina. The group is managed by Ayaka's older brother, whose behavior is notably lecherous. Prior to a major live performance, his disappearance causes significant unease among the trio. He is located with less than an hour remaining before the event. To alleviate the group's anxiety, he proposes a distinctive method of preparation.