Girlfriend with big breasts, hot and sexy, OK seduction, Shimano Haruka BP-351

It's so annoying that my girlfriend always makes me wear a condom and won't let me ejaculate inside her during sex! But her older sister lets me ejaculate inside her! And she has huge breasts! I was seduced by my girlfriend's sister and secretly had sex with her in the kitchen until I ejaculated inside her—it was incredibly pleasurable! The tension of possibly getting caught by my girlfriend made me ejaculate uncontrollably!