"When I noticed, my sister's growth was amazing... Hey, my sister... she's kind of erotic..." The brother is seduced by his sister who is teasing him in a swimsuit, and he demands a blow job, teases her with a vibrator, makes her cum over and over again, and in turn, gets teased with a foot job. The brother forces his sister to have sex with him, which is akin to sexual harassment, due to his sister's defenseless erotic pheromones. The brother's friend rapes her at night, spanks her, and even cums inside her in the cowgirl position. Let's check the growth of your sister's body through sex ♪