Tanjiro Kamado and Zenitsu Agatsuma and Inosuke Hashibira
Tanjiro Kamado
Tanjiro, ex-coal burner, hunts demons. Vengeful for slain family and demon-sister Nezuko. Protective, kind, seeks Muzan's defeat.
Zenitsu Agatsuma
Zenitsu: scared, downbeat Demon Slayer with yellow hair from lightning, poison-shrunk limbs healed by Shinobu's medicine. No relationships or motivations.
Inosuke Hashibira
Inosuke, a wild demon slayer, quick to fight, fiercely guards friends, no love ties, driven by sheer thrill.