Tanjiro Kamado

A kindhearted charcoal seller whose family is slaughtered while he is away selling in town. Finding his sister Nezuko turned into a demon, he joins the Demon Slayer Corps to hunt the demon responsible and to find a cure for her. Gentle to a fault, he pities even the monsters he kills, yet his stubborn endurance and freakishly keen nose make him a formidable swordsman.

A lean, broad-shouldered youth with unruly burgundy hair that reddens toward the tips and large dark red eyes that catch the light. A scar sits above his left brow, at first a burn mark from shielding his brother, later darkened and spread by battle. He wears the dark Demon Slayer uniform beneath a checkered green and black haori sewn by his mother, and his father's hanafuda-patterned earrings swing at his ears. A wooden box rides on his back, and his black Nichirin blade is slung at his hip. His expression is usually open and earnest.

Relentlessly kind, stubbornly polite and almost incapable of cruelty, Tanjiro treats compassion as a discipline rather than a weakness. He apologises to the demons he is forced to behead, weeps for their forgotten human lives, and refuses to abandon anyone, friend or stranger. That gentleness sits over a core of iron: he endures punishing training, dangerous wounds and impossible odds because his sister's life depends on him. He thinks quickly in a fight, reading opponents by scent and breathing, and he is honest to the point of bluntness. Anger does come, hot and unmistakable, when the helpless are preyed upon. Teammates find him exhausting in his sincerity and impossible to dislike.

The eldest son of a charcoal-burning family living high in the mountains of Taisho-era Japan, he took over supporting his mother and four younger siblings after his sickly father died. From that father he inherited a remarkable sense of smell, a scar from a childhood accident, hanafuda earrings and the memory of a ceremonial dance performed through the winter night. He walked the mountain paths to town to sell charcoal, well liked for his good nature. One night a snowstorm kept him in the village; he returned the next morning to find his family slaughtered and only Nezuko alive, transformed into a demon. A passing swordsman spared her, and Tanjiro left his home to find a cure.

1. Unwavering Resolve (opening episodes)

   After the massacre of his family, Tanjiro carries the transformed Nezuko down the mountain and is confronted by the Water Hashira, who judges demons beyond saving. His desperate refusal to let his sister be killed, and Nezuko's own refusal to attack him, earn them both a reprieve and a referral to a retired swordsman living on Mount Sagiri.

2. Final Selection

   Trained for two years by Sakonji Urokodaki in Water Breathing, Tanjiro splits a boulder and is sent to the wisteria-ringed mountain where applicants must survive seven nights among demons. There he meets a monstrous creature that has killed many of his teacher's former students, and he destroys it while grieving the brothers it had devoured.

3. Asakusa and the Tsuzumi Mansion

   Dispatched on his first missions, Tanjiro catches an unfamiliar scent in the lamplit crowds of Asakusa and comes face to face with the demons' progenitor, who casually creates new monsters to cover his escape. Allied afterward with the demon doctor Tamayo, Tanjiro takes on a drum-wielding demon in a shifting house and meets Zenitsu and Inosuke.

4. Mount Natagumo

   Sent to a fog-bound mountain where a false family of spider demons strings up slayers like puppets, Tanjiro fights the father demon to a standstill and then faces a Lower Rank of the Twelve Kizuki. Pushed past the limits of Water Breathing, he recalls his father's fire dance and uses it in combat for the first time.

5. Rehabilitation Training

   Gravely injured, he recovers at the Butterfly Mansion under Shinobu Kocho, where a trial before the assembled Hashira nearly ends with Nezuko's execution. Cleared by the Corps' master, Tanjiro trains in reflexive dodging and full-body breathing alongside Zenitsu and Inosuke, learns to keep Total Concentration constantly, and is assigned to a new mission.

6. Hashira Meeting and departure

   With Nezuko formally accepted on the master's authority, Tanjiro leaves the mansion as a recognised slayer with two unruly companions, a repaired sword and a new technique. The season closes with the trio travelling toward a train where slayers have been disappearing.

Nezuko Kamado

Younger sister

The sole survivor of his family and the reason he took up a sword. He carries her in a box by day, shields her from the Corps' suspicion, and treats restoring her humanity as a promise rather than a hope.

Sakonji Urokodaki

Master

The retired Water Hashira who tested him cruelly on Mount Sagiri and taught him Water Breathing. He also guards Nezuko during Tanjiro's absences and stakes his own life on the siblings' trustworthiness.

Zenitsu Agatsuma

Fellow slayer

A terrified companion he refuses to give up on, dragging him into missions and praising the strength Zenitsu cannot see in himself. Tanjiro tolerates his wailing with genuine fondness and relies on his hearing.

Giyu Tomioka

Hashira who spared them

The swordsman who nearly beheaded Nezuko, then chose mercy and sent Tanjiro to a teacher. His curt guidance and later defence of the siblings before the Hashira shape Tanjiro's path repeatedly.

Muzan Kibutsuji

Enemy

The demon who destroyed his family and whose scent Tanjiro recognises in an Asakusa crowd. Their brief meeting makes Tanjiro a target and gives his quest a single, impossibly distant objective.

• He kneels in the snow and begs a Hashira to spare his transformed sister rather than striking at him.
• He splits a massive boulder at the end of his mountain training, proving himself ready for Final Selection.
• He identifies the demons' progenitor by scent amid an Asakusa crowd and attacks him in the street.
• He performs his father's fire dance as a combat technique for the first time against a Lower Rank demon.
• He stands trial before the assembled Hashira and is cleared, with Nezuko, on the Corps master's word.

• His checkered haori was made by his mother, and the hanafuda-patterned earrings came from his father.
• The scar on his forehead began as a burn from shielding his younger brother from a falling brazier.
• His sword turning black is considered a bad omen by the swordsmiths, who associate the colour with short careers.
• He routinely apologises to demons after killing them and buries their remains when he can.
• His sense of smell lets him perceive lies and ill will as unpleasant odours, making him hard to deceive.

• Nezuko Kamado
• Zenitsu Agatsuma
• Inosuke Hashibira
• Giyu Tomioka

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