A small-breasted little sister and a big-breasted older sister. One day, the younger sister realizes that her sister has super sensitive nipples. She enters her sister's room, which is secretly masturbating with nipples, and licks her tightly and licks her! Her sister's tongue technique makes her cum in no time and she gets loose nipples! Since then, I have been trying to target my sister's nipples every time I get it! She laughs and plays with her sister's nipples and develops her nipples every day! The older sister becomes so sensitive that she orgasms her areola with a little stimulation, but at the end she actually sees her younger sister's nipples...
