POV home alone with your step mom. At first she seems understanding that you are finally trying to diet a little, but she quickly uses all her persuasion and sensual power to convince you to eat alllll the goodies she has bought for you. If you give in, your naughty and horny stepmom might have a special reward for you - manipulation - Lingerie  - encouragement  - Fat admiration - step mom / Mommys boy RP (taboo)