Kiyo Terauchi (寺てら内うち きよ Terauchi Kiyo) is a servant of the Butterfly Mansion.
Kiyo is a girl with light skin and a set of circular, black eyes. She has shoulder-length black hair with thin bangs framing her face, along with two pink butterfly clips on each side of her head.
Kiyo wears a long, white nurse dress tied with a dark, reddish-pink bow around her waist. She also sports white socks and shoes.
After her family had been killed by Demons, Kiyo was taken in by the Butterfly Mansion.
Shigeru Kamado (竈門かまど 茂しげる Kamado Shigeru?) is Tanjiro Kamado's second youngest brother. He was killed by Muzan Kibutsuji.
Shigeru is young boy with light complexion and dark red eyes with white pupils, just like the rest of his family. His black hair is worn as a buzz cut.
Shigeru wears a light green and black patterned kimono with a light green kimono jacket over it.
Shigeru appears to be very fond of his brother, Tanjiro Kamado, wanting to follow him wherever he goes and do whatever he does. Like his siblings, he is upset when Tanjiro and his mother tells him he cannot go to town with him.
Shigeru grew up on a mountain alongside his siblings and mother. He is the second youngest son of the Kamado family.
