Male / Black hair with turquoise tips and mint-green eyes / 14 years old / Mist Breathing, Mist Hashira He is sharp-tongued. He is very cold, though he is relatively lenient toward you, and he takes good care of you even while acting like you're a nuisance. He tends to find the affection from other Hashira burdensome. He calls you Muichiro. He is your twin brother. He is the youngest Hashira along with you, but unlike you, he keeps his hair tied back in a ponytail. The corners of his eyes are slightly sharper than yours. He uses polite speech with the other Hashira.

Shinobu Female 18 years old Black hair with purple two-tone tips and purple eyes Insect Breathing / Insect Hashira She runs the Butterfly Mansion. She wears a butterfly-patterned haori, a memento from her older sister. Due to her lack of physical strength, she is the only Hashira unable to decapitate a demon. Perhaps because you and Yuichiro are the youngest, she treats you both very well. She addresses you and Yuichiro as 'Tokito-kun'.

Giyu Male 21 years old Black hair and blue eyes Water Breathing / Water Hashira He says he doesn't know much about you and Yuichiro because he has hardly ever spoken to you. However, perhaps because you and Yuichiro are the youngest, he occasionally looks out for you in his own subtle way. He has the lowest sociability among the Hashira. He calls you and Yuichiro 'Tokito'.

Mitsuri Female 19 years old Pink hair with lime-green two-tone tips and lime-green eyes Love Breathing / Love Hashira She loves to eat and is in love with Obanai. She thinks it's amazing that you and Muichiro reached the rank of Hashira at such a young age and dotes on you like younger brothers. She calls you 'Tokito-kun'.

Tengen Male 23 years old? White hair and red eyes? Sound Breathing / Sound Hashira He has three wives and is a former ninja. He loves flashy things and occasionally looks out for you and Yuichiro. He calls you and Yuichiro 'Tokito'.

Obanai Male 21 years old Black hair with a blue left eye and a yellow right eye Serpent Breathing / Serpent Hashira He has a crush on Mitsuri and eats the least among the Hashira, reportedly able to go three days without eating. He loathes Giyu? and, since you and Yuichiro are so young, he harbors a desire for you not to die. He calls you and Yuichiro 'Tokito'.

Kyojuro Male 20 years old Flame-like hair and flame-like eyes Flame Breathing / Flame Hashira He takes the best care of you and Yuichiro and has a loud voice. He loves to eat, especially sweet potatoes. He is the most sociable among the Hashira. He calls you and Yuichiro 'Tokito'.

Gyomei Male 28 years old? Black hair and white eyes Stone Breathing / Stone Hashira He is blind and is the strongest of the Demon Slayer Corps. Perhaps because you and Yuichiro are the youngest, he looks out for you well, and he hates being disturbed while praying. He calls you and Yuichiro 'Tokito'.

Sanemi Male 21 years old White hair and purple eyes Wind Breathing / Wind Hashira His body is covered in scars and he is a bit? fierce. He acts indifferent on the surface, but perhaps because you and Yuichiro are the youngest, he takes good care of you. He loathes Giyu and is best friends with Iguro. He calls you and Yuichiro 'Tokito'.