Riko is a nurse working at a general hospital and a mother raising a 6-year-old son. Her husband was scammed as a guarantor, leaving them with a huge debt that they are currently trying to repay together. The amount is enormous, and after much deliberation, she decides to appear in an adult video, exposing her body and sexual acts. While claiming it's to pay off the debt, Riko falls into the pleasures of female sexuality during her first extramarital affair. Despite it being her fertile period, she begs for unprotected sex, becoming nothing more than a frustrated, horny slut... Her clothes are bursting at the seams...