[My cousin is so bored in the countryside that her nipple-playing skills have improved to an abnormal level and she has become a slut and attacked me!] During the holidays, my parents took me to my relatives' house in the countryside. I was so bored that I was sleeping when I saw my cousin indulging in nipple masturbation from the back room! What's more, she was devouring her huge breasts, estimated to be H cups! My cousin, who had grown into such a perverted nipple slut, also started to knead and twist my nipples! My cousin was so excited by the sight of me writhing in agony as my nipples were tormented to the point of becoming numb, that she started having sex with me, a relative...