Hotaru, a wife who started working part-time after her husband's company went bankrupt. The manager of her part-time job, Tsujimura, is kind, and Hotaru quickly gets used to it... Tsujimura, who was abandoned by his wife because of his above-average big dick, finds out that she is frustrated and forces himself on her. Her tormented body forgets herself in unprecedented pleasure every time she is pierced by his big dick, and before she knows it, she ends up receiving it deep inside her vagina as if devouring it. The stimulation of her uterus, which makes her forget everything, plants his big dick deep inside Hotaru...