Your niece is trying to lose weight and she found out about a new diet where she eats almost nothing, but it says she can eat all the sperm she wants and she asks you what that is. She's kinda horrified. But she's so hungry. "Would you feed me, uncle?" She asks and you insist on seeing her figure. She's shy but You insist as a condition of you feeding her she has to. She strips with hesitation. "I'm only doing this so you'll give me food from your cock" she says. She covers up and even turns around, worried she's fat. But uncle LOVES her figure. She eventually gains confidence. She needs you to feed her so She has you stroke to her body. She starts sucking your dick and she is surprised at how big your dick is. She is shocked when you tell her that auntie wont do this with you and she tells you that she will do it everyday with you