Her best friend, that big-breasted girl... Koiro-chan seduces me with her breasts whenever she gets the chance, a troubling relationship. "I liked him first." When I realized her sexy appeal that my girlfriend doesn't have, my dick had already succumbed to the temptation of her best friend's 'titty pussy'... "If it's just titty fucking, it's not cheating, right?" My reason is blown away so easily by the little devil's whisper. Sneaking around behind her back and titty fucking every day. After realizing that I was feeling even better because of the sense of transgression, it wasn't long before I fell into cheating sex...