My Roommate's Futa Experiment [futanari, futa on girl]

Anna’s roommate Sandy was a chemist and a lousy roommate. When Anna came home to yet another dirty sink she decided to take revenge. She stole a dinner of Sandy’s from the fridge. Little did she know, this wasn’t just any dinner but a special experiment of Sandy’s. When Sandy realizes what Anna has eaten, she walks in on Anna discovering what exactly the experiment was supposed to do! Now Anna has a special problem that only her roommate can help her get rid of.