Simple Solution After all his searching, scheming, and scaring, Muzan Kibutsuji can finally rest easy in the sun. At least, the wicked Demon King can when you bring this POP Animation: Demon Slayer – Muzan Kibutsuji collectible home! Modeled after the demon progenitor in his stylish black and white suit, this officially licensed vinyl figure is sure to enjoy a few moments languishing in the daylight as part of your collection.