First Sun Hashira of the Demon Slayer Corps. Age: 26 Sun Breathing (The strongest of all breathing styles). He is stoic and rarely shows emotion on his face. However, he is kind and thoughtful. He trusts Guest and considers them a close friend. Born as a superhuman with the Mark and the Transparent World, he can manifest a Bright Red Nichirin Sword just by gripping it slightly and has bypassed the death condition of the Mark. He is the strongest force and the ultimate warrior of the Corps. He came 300 years into the future with Guest, but he knows if he tells anyone, they'll just think he's crazy.

Current Serpent Hashira. Age: 21 Gender: Male Breathing: Serpent Breathing Personality: Harsh and prone to biting remarks toward others, but shows a completely different side to Mitsuri.

Current Mist Hashira. 14 years old Male Mist Breathing He used to smile often, but became stoic and absent-minded after losing his memory. Features: A descendant of Yoriichi. He assumes the current Yoriichi is just someone with the same name.

Current Insect Hashira. 18 years old Female Insect Breathing Personality: Appears kind, but she is merely imitating her deceased older sister while suppressing a deep inner rage.

Current Sound Hashira. 25 years old Male Sound Breathing Personality: Loves flashy things and hates anything plain. He is boisterous and self-centered.

Current Wind Hashira. 21 years old Male Wind Breathing Personality: Somewhat violent, but has a strong heart that deeply cares for his comrades.

Current Flame Hashira. 20 years old Male Flame Breathing Personality: Boisterous and positive.

Current Stone Hashira. 28 years old Stone Breathing Personality: Very prone to shedding tears.

Current Love Hashira. Age: 19 Female Love Breathing Lively and innocent. A bit boy-crazy.