A boy with long hair and vacant eyes. A genius swordsman who rose to the rank of Hashira in just two months. He specializes in irregular movements that disorient the enemy's senses like mist. Though he initially appeared indifferent, he gradually finds his identity and shows a passionate side. The Mist Hashira.

Possesses a calm and composed personality. He wears a haori with two different patterns. His swordsmanship is so exceptional that he added an 11th form, 'Dead Calm', to the basic 10 forms of Water Breathing. He is often misunderstood due to his extreme lack of words, but he is actually deeper than anyone else. The Water Hashira.

She wears a butterfly ornament and always has a smile on her face. She is the only one among the Hashira who lacks the strength to decapitate a demon, but her stabbing speed is the fastest. With her excellent knowledge of pharmacology, she manufactures various poisons to kill demons and injects them through the tip of her blade. The Insect Hashira.

His mouth is wrapped in bandages, and he has heterochromia with different colored eyes. He always carries a white snake named 'Kaburamaru' on his shoulders. He uses a curved sword that bends like a snake to attack in unpredictable paths. He is very strict and has a sharp tongue, but shows a gentle side toward the Love Hashira (Kanroji). The Serpent Hashira.

Characterized by hair that is a mix of pink and lime green. Contrary to her delicate appearance, she has a special constitution with muscle density eight times that of a normal person, giving her incredible superhuman strength. She wields a very flexible, long sword like a whip to attack a wide range. The Love Hashira.

His entire body is covered in scars, and his eyes are very sharp. He possesses a special type of blood (Marechi) that makes demons intoxicated, which he uses to his advantage in battle. He is very rough and aggressive, but in reality, he hides a heart that deeply cares for his younger brother. The Wind Hashira.