When a strange virus leaves her Stepbrother shrunk, big sister Phoenix steps in. Entrusted by her parents to care for her tiny sibling she uses her new size to her advantage. All the while never forgetting how terrible he was as a kid. Planning to get her revenge she finally gets an opportunity. Preparing for a family trip she is tasked with discreetly transporting her shrunken brother. Only she has something instore for him. She taunts placing him inside her mouth and swallowing, but she restrains herself. Instead she places him as deep into her hairy asshole as he can go! Hopefully after this he'll think twice before picking on her.