Maki, a Maki, feels lonely both physically and mentally because her husband is devoted to work and does not care about his family. Then her husband brings his subordinate Sugimoto home. Sugimoto has no interest in women and seems to be a virgin, so Maki, frustrated, approaches him Kokoro... She is turned on by Sugimoto's innocent reaction and cannot resist, so she finally invites him. Her body is burning with passion after a long time. Unable to suppress the throbbing in her vagina, Maki visits her husband's company under the pretense of being a guest. And as soon as she is alone with Sugimoto...