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Betrayal Knight’s Joyful Faith
Ongoing

Betrayal Knight’s Joyful Faith

BKJF, Delightful loyalty of a treacherous knight, 배신 기사의 유쾌한 신의
Native Language Korean
Released 2022
Author,
Artist,
Original Ch.: 535
Translated Ch.: 529
Rank: #1128
Last Update: March 9, 2026
Original Pub.: Kakaopage, Seedbooks, 시드북스
View: ? Views
8.1

Betrayal Knight’s Joyful Faith is a popular novel that blends Action, Adventure, Comedy and more. Written by the author Gaeon. 529 chapters have been translated, and translation of other chapters is in progress.

Synopsis

Poor theater actor Lee Soo-hyun.

He fainted after being hit by a falling light, and when he opened his eyes, he possessed a character in “The Blue Knight of the Holy Sword”, a novel that was discontinued due to unpopularity.

What’s more, he transmigrated into the body of Arendt von Eckhart, who betrayed the Knights Templar and was destined to be executed soon.

The only thing left for the character who has completed his or her role on stage is to exit. In other words, there is only death… Character interpretation can vary depending on the actor playing it.

“Please take care of me, you traitorous bastard.”

In order to survive, he must create a role other than that of Arendt, the ‘traitor’, even if it means twisting the story.

Now, the life-threatening method acting begins!

📂 System Interface: The Grand Theater Ledger

Betrayal Knight’s Joyful Faith (배신 기사의 유쾌한 신의) is a high-concept “Method Acting” fantasy that subverts the transmigration trope. Instead of a soldier or a scholar, our protagonist is Lee Soo-hyun, a struggling theater actor. When he wakes up in the body of Arendt von Eckhart, a side character in a discontinued novel destined for execution as a traitor, he doesn’t just try to survive—he treats the entire world as a stage.

The story is a “Comedy of Errors” mixed with high-stakes political intrigue. Soo-hyun must maintain the “mask” of the arrogant traitor Arendt while simultaneously manipulating events to save the world, all while viewing the original protagonist and the Gods themselves as mere “props” or “co-stars” in his play.

Component Classification Tactical Implication
Arendt (Soo-hyun) The “Method” Actor A cynical, hyper-intelligent strategist who uses “arrogance” as a tactical shield.
The Stage The Empire A rigid, rule-bound medieval society that is completely unprepared for the MC’s chaos.
The “Audience” The Knights & Gods Every NPC is an observer whose perception the MC must manipulate to survive.
Status Completed (535 Ch.) A substantial, finished journey that focuses on the “Curtain Call” of a complete narrative.

📂 System Interface: The “Lead Actor” Status Window

Attribute Classification Description
Protagonist Style Cunning / Selfless Reminiscent of Kim Dokja; he acts like a villain to ensure a “Happy Ending” for everyone else.
Narrative Structure Performance-Based Arcs are treated like “Acts” in a play, with the MC constantly “in character.”
Core Dynamic Corruption of the Rigid The MC’s “shameless” behavior slowly infects and “corrupts” the stiff, serious knights around him.
World-Building Anti-Theistic A world where religion is absolute, but the MC views the Gods with professional contempt.
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Editor's Note

💡 The Perception Trap: A common point of discussion among readers is the MC's "Arrogance." While some find it repetitive, it is a deliberate character choice. Soo-hyun is playing a role; the arrogance is a tool to keep people at a distance and hide his true, compassionate nature.

The "Trio" Comparison: Readers frequently place Arendt in the "Holy Trinity" of modern web novel MCs alongside Cale Henituse (TCF) and Kim Dokja (ORV). He shares their "I’m just doing this for myself" lie while actually carrying the weight of the world on his back.

Consistency over Power: The MC isn't a "cheat code" fighter. He wins through method acting and psychological warfare. He gets injured, he suffers from insomnia, and he relies on his "audience" to move the plot forward.

*535 chapters of arrogance, acting, and a man who plays the villain so everyone else can be heroes. Complete — and ready for its curtain call.*

Experience Curve

Ch. 1–30 (The Audition): ⭐⭐⭐ – Slow Burn. The world-building is heavy and the MC is still finding his footing in Arendt’s body. Some may find the repetition of "arrogance" tiring here.

Ch. 31–200 (The First Act): ⭐⭐⭐⭐ – The Hook. The chemistry between Arendt and the Knights (especially Laius and Arthur) begins to shine. The "Corruption" of the side characters starts providing top-tier comedy.

Ch. 201–450 (The Rising Action): ⭐⭐⭐⭐⭐ – The Peak. The mystery of the Gods and the "script" of the world takes center stage. The plans become more complex, and the stakes feel genuinely life-threatening.

Ch. 451–535 (The Curtain Call): ⭐⭐⭐⭐ – Bittersweet Finale. The ending is polarizing; it provides a satisfying conclusion to the "play" but leaves a lingering sense of emptiness—exactly like the feeling of leaving a theater after a masterpiece.

WebNovelDB Review

9 /10
A Masterpiece of Persona - This is a "Hidden Gem" for those who love clever protagonists who refuse to be "Heroes" but end up saving everyone anyway.

Writing Quality: 8/10. Consistent and witty, though sometimes repetitive in its character descriptions.

Character Design: 10/10. Arendt’s internal monologue as an actor vs. his external performance is the soul of the book.

Action Quality: 7/10. More focused on "The Plan" and the "Reveal" than pure sword-fighting.

Pacing: 7.5/10. Can feel slow in the setup, but the payoffs are consistently high-impact.

The Good: No forced romance. The bond between the 3rd Knight Division is heartwarming. The MC’s "God as a Prop" attitude is incredibly refreshing.

The Bad: The word "Arrogant" is used enough to become a drinking game. The early chapters require patience to get past the generic "Transmigration" setup.

For Fans Of: Trash of the Count’s Family, Omniscient Reader’s Viewpoint, The Greatest Estate Developer.

Not For You If: You want a straightforward "Zero-to-Hero" battle shonen or a protagonist who is actually nice to the people around him.

Verdict: "The Ultimate Performance." If you enjoy watching a genius con-man trick the world into being a better place while complaining the whole time, this is a must-read.

Ending Note: The finale is bittersweet, leaving a lingering sense of emptiness—like leaving a theater after a masterpiece. If you need a purely happy, tied-with-a-bow ending, prepare for feels. If you appreciate artistic closure, you'll be satisfied.
WebNovelDB Team

Key Information

Main Characters: Arendt von Eckhart (Lee Soo-hyun).
Power System: Mana and Aura (Traditional), but filtered through the MC's "Acting" and strategic planning.
Themes: Identity vs. Persona, the world as a stage, and the burden of the "Unseen Hero."

Reading Progress

Not Started Chapters: 0 Rating: -

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