" Muzan Kibutsuji " (sometimes "Not a Boy's Hands and the Happy Family") May 18, 2019 Primary Antagonist The Swamp Demon (defeated) and Muzan Kibutsuji (introduced) Key Location Asakusa, Tokyo Streaming Platforms Available on Crunchyroll , Hulu , and Netflix .
For a deep dive into the lore behind these characters, you can check the Kimetsu no Yaiba Wiki . Kimetsu no Yaiba Episode 7
: Tanjiro uses this specialized technique to defeat two of the Swamp Demons simultaneously while fighting in their "underground swamp" dimension. " Muzan Kibutsuji " (sometimes "Not a Boy's
: Tanjiro tracks a scent in Asakusa and finds Muzan Kibutsuji living as a human with a family. Muzan creates a distraction by turning a random passerby into a demon, forcing Tanjiro to stay behind while Muzan escapes. Tokyo Streaming Platforms Available on Crunchyroll