Hikari, a housewife who works part-time at a convenience store, is attracted to Aoi, a college student who often works shifts with her, and they end up spending the night together. Hikari is addicted to the sex that goes best with a big dick, the urge due to her youth that she has always wanted. Even if it's 15 minutes or 30 minutes during her break time from her part-time job, he stacks her body on top of hers and cums continuously, becoming swamped with unparalleled sex...