Size queen stepsis doesn't take no for an answer and takes in every inch of your massive cock

Sis went on a date last night and she tells you all about it. She admits she fucked her date. He had a huge cock! Stepsister's pussy is still raw from it. You get real jealous. Your stepsister's totally hot. You brag about how big YOUR cock is. She doesn't believe it so she gets you hard just to prove you're wrong. She feels it growing, it grows some more. It gets long and so THICK. She's amazed at your monster meat! She gawks at it and gets super horny. Sis wants to try out your cock. At first you say no because you want to hear her beg. She's a size queen and NEEDS to experience your cock. You lay down and she straddles you, taking in every inch of your humungous cock. She loves it and loves her pussy stretched. Sis begs you to cum inside her and fill her hungry pussy up with your huge load.