MIAE-021 Yuuna Himekawa, the younger sister who actually loves me, brings men in and shows them sex as if it's harassment.

My beloved brother got a girlfriend. - Out of jealousy, my younger sister started bringing men into the house and having sex with them loudly as if it was just a matter of guessing. - The older brother is on the verge of going crazy as he hears her moans from morning until night, saying, ``Yuna's pussy is so wet!'' ``Push harder and harder until it breaks!'' - The older brother can't stand it anymore and ends up having to watch his younger sister's hard sex play right in front of him... - A younger sister's twisted love shows off her cuckolding to her older brother.