"Let me lick you a little sperm" Even after I'm over 40, when my pure sister joked that drinking sperm would make me younger, and I trust her and asked her to masturbate right in front of me... what would you do?" Vol. 1

When I joked that my sister, who is over 40 years old and is struggling with beauty, "drinking sperm will rejuvenate you," she began believing her, and began begging her younger brother for sperm. She has no choice but to masturbate, but the older sister gives a handjob to help her younger brother who is not going well, gradually gets excited, and in the end she even gives a blowjob... Even though she's her younger brother, her sister's excitement never stops at the cock she's seen for the first time in a while, and she pulls the cock into her pussy...