My Girlfriend's Little Sister Loves Me Too Much, So We're Secretly Having Babymaking Sex Erina Oka

Original title: 彼女の妹に愛されすぎてこっそり子作り性活 丘えりな

Erina Oka, a beautiful girl with eyes like a Pomeranian, first appeared in the popular series in Honchu! ! Gui Gui from the first meeting! ! Her younger sister seems to like me and she actively seduces me. "Boyfriend, can I give you a vaginal cum shot that your sister can't do?" I can't stop appealing to her likes and dislikes, and honestly, I give in to the temptation of her younger sister, who is cuter than her, and I live a life of vaginal cum shot over and over again! !