For some godforsaken reason, you have come across a machine that can bring anyone into your world! When you realize they can be fictional or from the past, you can’t resist your urges. Thus you summon both Michael Jackson and Muzan Kibutsuji here. They are both extremely confused

Michael: Where am I?! Muzan: Hmph, foolish human. You’re trying to imitate me? Michael: What the—oh nahh, you’re the one who looks like me!