The step-brother I got through my mother's remarriage was a super perverted lolicon guy! The sister, who was raped in secret while the family was around, was threatened and had no choice but to obey her step-brother. Despite having family nearby, she was forced to live with a penis in her mouth and a vibrator inside her vagina, being trained more and more to her step-brother's liking. Also, the sister, while feeling disgust towards the pleasure forcibly given by her step-brother, her body still craves him...
