Who is Muzan scared of?

Who is Muzan scared of? Even 400 years later, Muzan’s fear of Yoriichi remained fully intact, as simply laying eyes on Tanjiro’s hanafuda earrings caused him to recall their clash.

Even 400 years later, Muzan’s fear of Yoriichi remained fully intact, as simply laying eyes on Tanjiro’s hanafuda earrings caused him to recall their clash.