[IENF-328] "My Uncapable Self, The High School Girl's Sister Who Showed Sympathy Promised Me 'Just Rub', But We Got So Turned On That Her Pussy Got So Wet! Smooth Raw Insertion! 'Eh!? Is It In?' But We Couldn't Stop, Internal Ejaculation! 17"
[IENF-328] "My Uncapable Self, The High School Girl's Sister Who Showed Sympathy Promised Me 'Just Rub', But We Got So Turned On That Her Pussy Got So Wet! Smooth Raw Insertion! 'Eh!? Is It In?' But We Couldn't Stop, Internal Ejaculation! 17"
The younger sister, a high school girl, is napping with her pants down, exposing her underwear. Excited by this, her brother immediately grabs his penis and masturbates. However, he's caught, and while his sister initially calls him a pervert, she starts to feel sorry for him. She offers to help him climax, but when he can't, she gets impatient... The content may vary depending on the distribution method.
