Aoi Kurugi is a married woman burdened with massive debt due to her husband's gambling. A man suddenly appears at her home, takes a liking to her, and offers to erase her debt in exchange for satisfying his sexual desires for one month. With no means to refuse, she is repeatedly raped and gradually succumbs to pleasure. Ultimately, she ends up climaxing as she begs for a creampie right in front of her husband. How far will she fall in the whirlpool of desire and debt?