Anal dildo instructions as punishment from rival

Description: You have been waiting to use the showers by yourself after the game, so nobody sees what you are trying to hide. your rival from the other team, stroll into your changing room wearing only his jockstrap and catches you. after humiliating you for being such a beta loser, he roots through your bag and finds a big dildo, this is going to be perfect for your punishment. he steals your chastity key and gives you instructions on exactly how he wants you to fuck your ass with that big dildo. but what now? does he give you back your key? or what other plans does he have for you?