Shiho Shimizu noticed an ad in a job magazine seeking MILF AV actresses and decided to attend the interview. The director instantly fell for her upon meeting and proposed having sex with her before her official AV debut. Fully aware that she is married with children, he invites her on a trip to Dogo Onsen. During the car ride, they discuss her troubled marriage and her desire to have sex with a complete stranger, fueling her excitement and driving her to the point where she craves to have her lower body thoroughly ravaged.