MIREI and Rion who were just a boss and a newcomer OL. However, her private life is turned upside down, and her female boss melts both body and soul in Rion's kiss that melts her heart. It all started with Rion's sudden confession and kiss during overtime. After that, MIREI imagines having an affair with Rion. Rion, who has an excellent technique that puts men to shame, is the strongest lesbian play!