My childhood friend trains me to improve my premature ejaculation by controlling my ejaculation!? I'm such a premature ejaculator that I ended up getting dumped by my girlfriend because I ejaculated before sex. I was feeling down, so my childhood friend, who I've known for a long time, offered to help me cure my premature ejaculation by offering to train me! The training escalates more and more, including handjobs and blowjobs. Finally, she even penetrates me...