Kou, who started working part-time to support her household income because her husband's salary decreased due to the economic downturn, completely trusts the kind manager of her part-time job, Tsumura. However, Tsumura, who can't have good relationships with women because of his out-of-this-world big dick, takes advantage of her vulnerability and forces himself on her. Kou's vaginal depths reach countless orgasms with a shock she's never experienced before. Her crotch begins to drip with love juice just from imagination, driven mad by the pleasure…