JUX-357 - The bully's sister is way too hot... Yui Hatano's temptation

Manji, who is always bullied by Hideo, gets injured again. Hideo's older sister, Yui, helps him and takes him to the bathroom to wash him up—while completely naked! Manji ends up staying the night, only to find out Yui might have a boyfriend visiting. What exactly is this bold sister up to? Just as Manji drifts off to sleep, Yui sneaks into his room...