knew his freaky ass was a sasaeng or close to one.
He's not a sasaeng or close to one, he's just a fan who loves him and collected his merch/watched his works, he never violated his privacy or personal boundaries. Meeting him /was/ a coincidence, he didn't stalk him
Nah you were wrong, he didn't invade his privacy, all of it was a coincidence. Let's not assume things while the story is not complete should we?
knew his freaky ass was a sasaeng or close to one.