A sister who worries about her brother being bullied by delinquents. He asks the delinquents to stop bullying, but instead he is forced to perform sexual treatment. The delinquent group lusts for the grown-up sister's big breasts and sucks her body and commits it. The delinquents escalate to 3P, vaginal cum shot and all-you-can-eat, and the sister's innocence is defiled. My brother knew that...
