The player gets a fair bit of influence on who wins each round of the competiton. So if Felicia wins, that's to some extent on you.
It's not the MC who is married. He is a single medical student. But Felicia is, definitely.
There are at least a few people here who assume this will happen, but there is absolutely no confirmation of this in the game nor from the developers (so far). It is mentioned, as others have said, that the
previous year's competition involved such an event, but there's no reason to assume it will necessarily happen again.