Misa is an underground idol and being filmed closely for a documentary. One day, an owner of BDSM club "H" perceives Misa's potential and headhunts her as a dominatrix. Misa is confused at first, but when she meets the top dominatrix Kanon, she learns sexual pleasure she never knew. She then decides to pursue a career of both idols and BDSM.

Within the school swimming club, teenagers question their sexuality and gender identity.