Who is Rui? (累) – Japanese Name Meaning & Profile | Kimetsu Dictionary

Rui

Character Profile & Japanese Name Analysis

📝 Editor’s Note

Authentic Research by a Japanese Fan: As a native Japanese speaker, I have researched Rui’s profile directly from the original Japanese manga and official databooks. This article goes beyond simple translation, aiming to explain the deep cultural context, Kanji nuances, and “Taisho Secrets” that are often lost in English versions.

Profile

  • Race: Demon
  • Age: Unknown
  • Rank: Lower Rank 5
  • Voice Actor: Koki Uchiyama

Correlation Diagram (相関図)


Rui Relationship Chart

Relationships centering on Rui (Click to Zoom)

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Funko POP! Moment: Demon Slayer - Tanjiro vs. Rui

Funko POP! Moment: Demon Slayer – Tanjiro vs. Rui

Epic Funko POP Moment featuring Tanjiro battling Rui.

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Who is Rui?

Lower Rank 5. Created a fake family to feel bonds.

Appearance

White spider demon.

Personality

Obsessed with family roles.

Abilities & Powers (能力)

Natural talents and combat techniques beyond Breathing Styles.

Threads

Steel-hard threads.

Japanese Name Meaning (Kanji Breakdown)

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

  • 綾木 (Ayaki): Damask Tree (Human Surname).
  • 累 (Rui): Accumulate/Trouble/Ties.

Native Nuance: Accumulated ties. His human name was Ayaki Rui. The name implies his obsession with ‘bonds’ (threads).

Recommended on Amazon

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Demon Slayer Manga Vol. 1

Demon Slayer Manga Vol. 1 (English)

Start the legendary journey in English.

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Mugen Train Blu-ray

Mugen Train Blu-ray (Standard Edition)

Experience the record-breaking movie.

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Breathing Styles & Forms (呼吸・型)

  • None / Unknown

Cultural Context & Hidden Details

Distorted Family

A tragic reflection of traditional family values gone wrong.

Native Language Nuance

Uses ‘Boku’.

📖 Official Fanbook Data (公式ファンブック)

Details often missed in the anime:

  • Height: 135cm

🤫 Taisho Whisper (Taisho Secret)

He was a sick child.

Famous Quote

“This is my family.”

Frequently Asked Questions (FAQ)

Q: What does Rui mean in Japanese?

A: Rui (累) means ‘accumulation’, ‘involvement’, or ‘trouble’. It reflects his obsession with building a fake family and the suffering he accumulates and inflicts on those around him.