That sounds like fun! It's up to you if you want them to meet fresh or continue as if they know each other from Myth. They had a funny biz arrangement last I remember, with El posing as his "secretary" at some point.

She's a fairy, though not an old and wise one. Even if she found out he was a hunter I'm not sure that would deter her from hanging out with him. Though, it would make her cautious of course.