[ENGLISH-SUBTITLE] MKON-016 My cheeky little sister had a boyfriend, so before it became a second-hand item, my brother, I, fell asleep and made it a vaginal cum shot sex slave.

In the old days, she was a cute little sister who said, "When I grow up, I'll marry my brother!" These days, Kotone has started avoiding me. I think it's probably Tsundere. You can't hate me. I'm in a good mood and I'm c