Enmu wore a long, black button-up coat that arched upwards on either side of his legs so that only the two tails in front and behind fall down below his knees, and a white dress shirt, the cuffs of which appear over those of his coat. He also wore a pair of …

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Enmu using Whispers of Forced Unconscious Hypnosis on Tanjiro. Tanjiro killing Enmu with Hinokami Kagura: Clear Blue Sky. Enmu's design in the anime. Enmu in season 1. Anime Profile. Enmu questioning his minions' failure to complete their goals. Enmu ecstatic at the chance to receive more blood from Muzan.

On his left eye, Enmu also has the mark of Rank One in the form of a Kanji 1; this shows him to be one of the Twelve Kizuki. His right eye's pupil is a horizontal slit. His upgraded form gives him a second mouth on the back of one of his hands. Later, Enmu takes the appearance of a black train called "Mugen" after fusing his entire being with it.

Enmu wore a long, black button-up coat that arched upwards on either side of his legs so that only the two tails in front and behind fall down below his knees, and a white dress shirt, the cuffs of which appear over those of his coat. He also wore a pair of pinstriped pale gray pants and plain, slightly heeled shoes of a similar color.

While waiting upon the outside of the train, Enmu works on the inside, sending his sentient hand to praise the Train Conductor about the success of putting the Demon Slayers to sleep. In result, Enmu rewards him by also sending him into a presumably deep sleep.

Enmu appears to be in his twenties and has an average height. The kanji for “Lower One” is imprinted in one iris and a horizontal slit in the other. Enmu has three square-shaped markings on both his cheeks that fade from a blue color to yellow. His hand appears to have a mouth on top of it, which, by the way, is smiling very creepily.

Enmu is the main antagonist of the Infinity Train Arc in Kimetsu no Yaiba. They are a Demon affiliated with Muzan Kibutsuji 's Twelve Kizuki, holding the highest rank of the Lower Kizuki's: Lower Kizuki One .

Flesh Detachments - Enmu had shown the ability to create flesh detachments from his own flesh and blood, being able to create and detach one of his own hands and send it out independent from his main body.