118rtp00031 My younger sister is in the midst of puberty and is very curious about men's bodies! The girls around her have already had sex with their boyfriends, but it seems like her younger sister is still inexperienced... Perhaps out of impatience, he confided in me, his older brother, about his sexual problems, so when I was gently teaching him about it, he started fidgeting and his cheeks turned red...

My younger sister is in the midst of puberty and is very curious about men's bodies! The girls around her have already had sex with their boyfriends, but it seems like her younger sister is still inexperienced... Perhaps out of impatience, he confided in me, his older brother, about his sexual problems, so when I was gently teaching him about it, he started fidgeting and his cheeks turned red...