Yuma, who lost her mother 10 years ago, lives with her father and younger brother Dome. One day, Dome ends up dreaming. Yuma, who accidentally discovers it, consults with her father, but is lightly treated as "I'm a boy, so I'm relieved." Yuma decides to give sex education to Dome with her own body in order to teach her sexual knowledge.
![PPPE-299 "Eh... that thing is coming out..." The miracle of the [nipple sticking out] that became a hot topic at Koko-ke, a private photo shoot with a fellow otaku who can't stand it, confinement play × creampie gangbang](https://avdb.avtortv.com/v/PPPE-299/poster.jpg)
