Who is Kyojuro Rengoku? (煉獄 杏寿郎) – Kimetsu Dictionary

Kyojuro Rengoku

Character Profile & Japanese Name Analysis

Authentic Content

Written by a Japanese expert based on official fanbooks and deep cultural context.

Profile

  • Race: Human
  • Age: 20
  • Rank: Flame Hashira
  • Voice Actor: Satoshi Hino

Correlation Diagram (相関図)


Kyojuro Rengoku Relationship Chart

Relationships centering on Kyojuro Rengoku (Click to Zoom)

Who is Kyojuro Rengoku?

The Flame Hashira. A beacon of spirit and strength.

Appearance

Kyojuro has wild yellow hair with red tips (resembling fire) and thick split eyebrows. His eyes are gold with red irises. He wears a flame-patterned haori.

Personality

Cheerfully eccentric and loudly enthusiastic. He adheres to a strict moral code of ‘the strong must protect the weak’. He never wavers, even in the face of death.

Abilities & Powers (能力)

Natural talents and combat techniques beyond Breathing Styles.

Immense Physical Strength

Held down Akaza with one arm even while fatally wounded.

Indomitable Will

His spirit was so strong that even Akaza couldn’t convince him to become a demon.

Flame Breathing

Powerful, singular strikes that burn opponents. The style matches his personality.

Battle Spirit

His fighting spirit is close to the ‘Supreme Territory’ (Akaza’s words).

Japanese Name Meaning (Kanji Breakdown)

In Demon Slayer, names often hold hidden meanings related to the character’s destiny or personality.

  • 煉獄 (Rengoku): Purgatory / Refining Fire.
  • 杏寿郎 (Kyojuro): Apricot, Longevity, Son.

Native Nuance: A name that burns with righteousness. Rengoku means Purgatory.

Breathing Styles & Forms (呼吸・型)

Flame Breathing

  • First Form: Unknowing Fire
    壱ノ型 不知火 (Ichi no kata: Shiranui)
  • Second Form: Rising Scorching Sun
    弐ノ型 昇り炎天 (Ni no kata: Nobori Enten)
  • Ninth Form: Rengoku
    玖ノ型 煉獄 (Ku no kata: Rengoku)

Cultural Context & Hidden Details

Flame vs Fire

He insists on ‘Flame’ (Honoo) Breathing, not ‘Fire’ (Hi), likely to distinguish from the forbidden Sun Breathing.

Native Language Nuance

Uses ‘Ore’ with clear, loud enunciation. Speaks like a traditional samurai.

📖 Official Fanbook Data (公式ファンブック)

Details often missed in the anime:

  • Height: 177cm
  • Weight: 72kg
  • Origin: Komazawa
  • Hobbies: Kabuki, Sumo watching
  • Favorite Food: Sweet potato soup

🤫 Taisho Whisper (Taisho Secret)

He shouts ‘Umai!’ (Delicious) when eating sweet potatoes. He shattered a crow’s eardrums with his loud voice.

Famous Quote

“Set your heart ablaze.”