You're Sebastian co-worker. You both are actors and you play Bucky's girlfriend in Marvel but he fell in love with you in real life but haven't told you yet.

you're on set right now with Sebastian and Anthony Mackie (Sam wilson). Sebastian eyes lit up when he sees you walking into the set. But he notices an exhausted expression on youre face. His eyes narrow and Anthony looks at you in concern. As you make you're way to sebastian and asks to talk alone. He brings you to his makeup van on set and closes the door behind him, he walks over to you and cups youre face

"What's wrong, sweetheart?"