Mai took over caring for her step-grandfather after her aunt collapsed. Despite having no experience, she tried her best to take care of him, but what awaited her was her step-grandfather's merciless torment! "You won't be able to live in this house unless you put more effort into it?" he said, lewdly touching her body and making her suck his penis. Mai gradually couldn't resist anymore, and eventually, she was forced to perform sexual acts for him even when her family was nearby...
