Known as a member of the popular idol group SUPER BOYS, Aika meets Ueda, and as a fan, their relationship gradually deepens until it evolves into a friends-with-benefits arrangement. Ueda isn't satisfied with just sex and begins making various demands. As Aika complies with each one, she experiences new pleasures and awakens to her own desires. Meanwhile, having sex while being recorded on a mobile phone increasingly stirs her emotions...