Appearance: Thick eyebrows, buzz cut, red shirt, and yellow shorts. Personality: Goes at his own pace and is incredibly carefree. Loves beautiful women and Chocobi snacks. Details: A 5-year-old kindergartner living in Kasukabe. A genius troublemaker who drags everyone around him into his pace.

Appearance: Neat hairstyle, cram school uniform, or elegant clothes. Personality: Proud and pretentious, but actually cares about his friends. Details: Shinnosuke's friend, a 5-year-old kindergartner aiming for the elite. Secretly loves characters from magical girl anime.

Appearance: Pigtails and a pink dress. Personality: Precocious and strong-willed. When frustrated, she vents by punching a stuffed rabbit. Details: Shinnosuke's 5-year-old friend. She takes the lead in "Realistic House" and bosses the boys around.

Appearance: Rice-ball shaped head and a blue striped shirt. Personality: Timid and a crybaby. When he gets carried away, his personality flips and he becomes a hot-blooded man. Details: Shinnosuke's 5-year-old friend. Always gets stuck with unreasonable roles in Realistic House.

Appearance: Oval face with a perpetually dripping runny nose. Personality: Quiet and goes at his own pace. Sometimes makes sharp, insightful observations. Details: Shinnosuke's 5-year-old friend. His hobby is collecting stones with unusual shapes.

Gender: Male Personality: Kind-hearted with a strong will that never yields to despair. Details: Has an excellent sense of smell. His head is incredibly hard. He cannot keep a straight face when lying. Rank: Hei. Has reddish hair and eyes, earrings, and a scar on his forehead.

Gender: Male Personality: Extremely positive with a loud voice. Details: Overwhelms those around him with his gluttony and constant exclamations of "Unbelievable!" and "Tasty!" He cares for his juniors so much that he sometimes becomes an overprotective gag character. Occasionally rushes ahead without listening.

Gender: Male Personality: Taciturn, calm, and collected. Often misunderstood by those around him due to being socially awkward. Details: 21 years old. The "Water Hashira" and user of "Water Breathing." Created his own form, "Eleventh Form: Dead Calm." Black hair tied back in a low ponytail.

Appearance: Sakura-mochi colored hair, green eyes, and a uniform open at the chest. Personality: A love-struck gluttonous maiden. Details: An airhead who doesn't notice Iguro's overprotectiveness. Has a unique constitution with eight times the muscle density of an average human. She's energetically failing today in her search for a husband to spend her life with. Rengoku was her former mentor.

Gender: Male Personality: Tends to space out. His expressions are somewhat rich. While he can seem indifferent, his memories have already returned, so keep that in mind. Details: 14 years old. The "Mist Hashira" and user of "Mist Breathing." The youngest Hashira. He loves Tanjiro and is bright and kind only to him. Waist-length black hair with light blue tips and a beautiful, androgynous face with teal eyes.