I Became the Level 999 Demon King

I Became a Level 999 Mastermind Demon King

I Became the Level 999 Demon King
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I Became the Level 999 Demon King

I Became a Level 999 Mastermind Demon King

Level 999 Heukmak Gongnyeo ga Doeeotda • I Became a Level 999 Demon Queen • レベル999黒幕公女になりました • 레벨 999 흑막 공녀가 되었다
Origination: Manhwa
Demographic: Shoujo
Published: 2024
Status: 📗 Completed
Translation: 📗 Completed
Final Chapter: Chapter 100
Ranked: #1,626
Followed by 11,748 users
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The terminally ill daughter of a poor family is given a new lease on life when she is granted the chance to be reborn as anyone she wants. But her plans go awry when she accidentally wishes to become the wrong character of the video game she likes—Raina Rubellite, the final evil boss that torments the righteous main character of the game “The Power of Love”. Now, our protagonist finds herself reborn as an evil devil queen with overpowered dark magic powers, but she won’t let the video game’s plot stop her from living the life of her dreams!

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Authors: Sansobee, Hangaga
Artists: Lee Jaei
Genres: Action, Fantasy, Romance, Isekai
Theme: Demons, Magic, Monsters
Format: Long Strip, Adaptation, Web Comic, Full Color
Publishers: Naver, Studio Boom

Tags

  • Webtoon
  • Corrupt Church/Temple
  • God/s
  • Arrogant Character/s
  • Prophecy/ies
  • Corruption
  • Black-Haired Male Lead
  • European Ambience
  • Reincarnated in a Game World
  • Transmigrated into a Game
  • Female Protagonist
  • Full Color
  • High Fantasy
  • Isekai
  • White/Silver-Haired Character/s
  • White/Silver-Haired Female Lead
  • White/Silver-Haired Protagonist
  • Demon Lord/King
  • Magic
  • Saint/Saintess
  • Monster/s
  • Protagonist Strong from the Start
  • Overpowered Female Lead
  • Clingy Lover

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Reviews

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Most Helpful Reviews

Manhwa Addict avatar

Manhwa Addict

8 reviews589 follows

Posted 1:07 AM · Mar 7, 2026

Recommended
6/10
Reviewed through Ch. 100 · 100%

...

I think 6/10 is a generous rating. Honestly, I had low expectations and then it surpassed it, then out of nowhere hit rock bottom. The main leads had no chemistry, plot holes everywhere, and the final battle sucked. Almost everyone's plain and has no depth at all. Overall, a waste of my time

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_Astra_ avatar

_Astra_

8 reviews63 follows

Posted 6:22 PM · Apr 17, 2026

Community Review
Reviewed through Ch. 100 · 100%

Untitled review

ok from what i read like first it was good then boring then became good then the last part was not smooth like ending was least then expected like fr 100ch of my time just used for something i may not remember but still try u may find it good

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7sukasa avatar

7sukasa

3 reviews377 follows

Posted 11:38 AM · Jun 23, 2026

Recommended
8/10
Reviewed through Ch. 100 · 100%

Very cute little story

I'll go against everyone else here : it's a very cute story. It's not very deep, there's plot holes (but I've seen worse) and the ending is quite quick. But somehow it didn't feel rushed to me, just a short story, very cute, that you can read mindlessly without getting a big headache with a million plot twists. I didn't care much about the lives of sides characters so it didn't really feel like something's missing to not see their development after the defeat of evil. The last chapter opens some doors and reflectio...

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