It's A Story About My Aunt Who Was Pregnant And Let Me Have 22 Rounds Of Seeding Without Pulling It Out When She Was Seduced By My Unconsciously Big Ass And Slept With Me With A Big Cock.

浪人中的健太为了在东京参加补习班的暑期课程，暂时寄住在东京的叔叔家。叔叔和婶婶去年刚结婚，正在积极备孕，但可能是因为叔叔年纪大了，精子质量不好？一直没能怀上孩子。健太来东京不久，叔叔要去地方出差一周，可叔叔刚走，婶婶就穿上暴露性感的衣服诱惑健太，用戳中巨臀控喜好的背步臀（※屁股）咚贴紧诱惑，让健太的理智彻底崩溃……