Curate, connect, and discover
To me Jumin is the most unlabelled man ever as in he literally has not even considered his sexuality because he doesn't care. Like while I don't doubt that someone could teach him about demisexuality and he'd go "I suppose that would make sense 🤔" he's unlabelled until he meets MC and then as far as he's concerned he's MCsexual so there's no point wasting energy getting into the details