SW-132 I played a prank on my sister’s onesie pajamas, and her ass is fully exposed! Her embarrassed expression made me hard. Big brother is an idiot!!

I made a prank on my cute little sister’s favorite costume pajamas and made her pre-buttocks completely exposed! Without knowing that, my sister who noticed that her buttocks were completely exposed after wearing pajamas inflated her cheeks and puffed! I’m shy and excited to see her hide her butt and move around the room! Full erection in a figure saying “It’s a mischievous brother! Stupid!”