Cum challenge for step-daddy

Description: Your step-daughter is in trouble at school, because she invented ''the cum challenge" and the principal calls you. you are furious at her, wow, how did you raise such a whore? but step-daddy, do you even know what the cum challenge is? you have to stroke your cock while she teases, sucks and fucks you and if she makes you cum and milks your cock, you lose. no one has ever won the cum challenge, your naughty step-daughter always wins. if you want her to be a good girl from now on, there is only one way step-daddy: to win the cum challenge and fill her up with your load only when she begs you to. are you ready to play?