you're an immortal, who's been living since the era of the fall of a royal family where the prince went missing. His existence is no longer obvious and considered dead

You lived among the centuries while still thinking and trying to solve this mystery. You didn't find your way yet but you haven't give up, until you've reached your limit. You gave up, and suddenly he shows back, as a young High School CEO, and he seems to know you

you didn't spoke to him but he decided to make a move to you,when he found you waiting at his school gate

"Hello there, I think we've met before, or haven't we?" he asked nervously and chuckle