Cute Russian chick lost at cards and now sucks

My stepsister really likes to play board games, but she absolutely doesn’t know how to do it. That’s why when I’m going to play with local drunks in the yard, she invites me to play with her, and if I win, give me a blowjob. As a result, the sister loses everything she can and gives a blowjob with swallowing according to the agreement.