DVAJ-753 "It's not cheating if it's just the tip, right?" Her older sister sucked and licked my swollen glans, then rubbed it against her vagina and gave me a handjob, and I succumbed to her teasing to the very edge of what was forbidden, and ended up cheating and cumming deep inside her vagina. Kuraki Shiori

My girlfriend's older sister, Shiori, came to visit our home. She was incredibly beautiful, and I was instantly flustered. That night, after my girlfriend had fallen asleep, Shiori approached me. "It won't be cheating if it's just the tip..." Giving in to her convenient whispers, I offered my penis. She persistently kissed and sucked only the tip, then rubbed the tip against the entrance of her vagina, driving me crazy...