Stepmother's birthday surprise went wrong!

Your stepmother is giving you a hard time because you completely forgot your step-father's birthday! She planes a big birthday SURPRISE for him and you need to be a part of it! She baked the cake for him and now she wants to hide together with you in the wardrobe and and surprise him with big happy birthday! Are she serious? You who has a huge crush on her since she married your step-father, you have to be in the same tiny space with her, feeling her body almost on yours! Well this would be a madness! And what could get wrong, you will be close there for a just few minutes! But that plan couldn't GOMORE WRONG! The door it is stacked, your stepmother forgot the cake outside and you can't control your self and NEED TO HAVE HER FOR YOUR SELF! That plan worked for you perfectly. Now you're fucking your STEPMOTHER secretly in the wardrobe ON YOUR STEP-DAD'S BIRTHDAY!!!!