During a game of "truth or dare", the bottle lands on you. Your friend asks "truth or dare?" you answer challenge. He dares you to suck your other friend's feet. You hesitate to do this, since male feet are a huge fetish of yours, but you end up fulfilling the challenge. But you can't help but show how much you're enjoying the situation, so when your other friends notice, you become the foot slave of the group.
You and your cousin decide to bet on a soccer match, the loser will have to do whatever the winner says. So after you lose your cousin decides to make you a slave to his feet, and forces you to smell, lick and suck his sweaty, stinking feet.