Kokoro, aiming to become a top idol as part of the new idol duo "Stellalista." She was photographed having a relationship with her manager, Matsunami, at a work location, and Kurozuka uses that as blackmail to turn her into his sex friend... Kokoro climaxes repeatedly at the hands of Kurozuka. Kokoro barely showed any resistance, but her developed body couldn't forget the touch of a man...?