Keizo — Demon Slayer: Kimetsu no Yaiba Infinity Castle Character Profile

About Keizo

Swordsmith who crafts Nichirin swords, crucial for slayer equipment.

Keizo — Character Profile

Alignment

Hero

Species

Human

Abilities

Swordsmithing, Nichirin forging, Demon slayer support, Craftsmanship, Technical skill

• Strength: 4/10
• Intelligence: 8/10
• Charisma: 5/10
• Morality: 8.5/10
• Influence: 5.5/10

Character Facts

Played by

Yuichi Nakamura

Appears in

Demon Slayer: Kimetsu no Yaiba Infinity Castle (2025)

Role

Supporting

Relationships (2)

• Keizo — Professional Former Master — Akaza (Akira Ishida)

  Keizo trained Hakuji in swordsmanship and acted as a father figure.

• Keizo — Family Adopted Daughter — Koyuki (Lynn)

  Keizo raised Koyuki as his own daughter after her parents' death.

Explore the full interactive character relationship map of Demon Slayer: Kimetsu no Yaiba Infinity Castle

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