"Wait! This is really bad!!" My childhood friend's nipple orgasm training has made my nipples super sensitive!! Finally, I've even had a nipple orgasm...!? "Nipple orgasms aren't cheating... right?" I was having trouble with sex with my girlfriend. When I consulted my childhood friend "Mahiro", she told me that developing my nipples can broaden the scope of sex for both men and women. Mahiro's relentless nipple training days... my nipples...