Big-titted muscle instructor aunt trains me with JOI ejaculation control after I confide in her about premature ejaculation, then I unleash my enhanced stamina and power cock in relentless creampie sex. Yuna Mitake
Staying at my aunt's house while job hunting, I was surprised to find out she now works as a fitness instructor. Seeing her incredible muscular physique, I opened up about my premature ejaculation issues. As a result, I began receiving JOI training from her. Under her strict guidance, I trained my cock with detailed instructions on masturbation pace, frequency, timing of ejaculation, and when I was allowed or forbidden to cum. Through this training, my erection strength improved and my libido grew stronger each day. In the end, I ended up having relentless sex with my aunt, repeatedly filling her with creampie after creampie.