She invited OP to a small costume party she was hosting to celebrate her engagement. OP didn’t want to rock up in anime cosplay, so OP thought it would be funny to go to an engagement party as the Corpse Bride.
After ten minutes, OP’s friend’s fiancé walked out in a black tuxedo and announced that it was their wedding. OP approached him and inquired whether OP should quickly change her outfit before the ceremony commenced