After bathing, I got an erection immediately! Auntie Ryojou, after the deceased parents and mothers, multiple urges for self! Unsuccessful multiple raising! Supplement! Shiranichi is over! - Yuuri Oshikawa

The movie depicts an incestuous relationship between a young nephew, Xiaocheng, and his aunt, Auntie Ryojou. The story revolves around Xiaocheng's visit to his aunt's house in Tokyo, where he plans to stay temporarily while preparing for his university exams. As they spend more time together, their mutual attraction grows, leading to a series of intimate and erotic encounters. The theme explores the taboo nature of their relationship, as they navigate their desires and boundaries as relatives.