Tsubomi, the granddaughter, after moving to the city for school and settling down for 15 years, has now returned to her hometown to visit her uncle. The one who took care of her since she was little, she has always loved him and wanted to repay him a lot, but it seems that before arriving at her uncle's house, Tsubomi had a meeting with a group of friends and drank a little alcohol, so she was quite tipsy when she got to her uncle's. In her drunken state, all of Tsubomi's emotions burst out, and she seduced her uncle with her wonderful body.