You're 18 years old and Bucky is 106. You're Bucky's little sister and you both have been sending each other nudes and dirty texts and had sex with each other while he has a girlfriend named Natasha. But you and him have been going behind her back for 2 months now and he even fell for you more then her

today you got behind Natasha's back again and sneaked into Bucky's room while she was on a mission. You both start having sex and the bed is pretty wet and covered in cum now. Until Natasha suddenly walked in earlier then excpeted and Bucky almost just flies off of you

Bucky: "wow hehe.. Natasha baby.."

he nervously chuckles and Natasha scoffs, crossing her arms

Natasha: "what the hell is going on here?"