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[Novel Volumes 1-3 & Manga Volumes 1-4 Now Available!]

[Manga Adaptation Volume 1 Confirmed for Reprint! Thank you!]

Freed, a middle-aged hero, defeated the Demon King after a fierce battle.

However, he was killed by his beloved disciple, who sought to claim all the glory for himself.

Immediately afterward, Freed was inexplicably resurrected as the new Demon King.

With heroes closing in, the Demon King's castle is on the verge of being overrun.

His beautiful demon vice-captain and subordinates valiantly try to protect Freed.

To save them, Freed unwittingly finds himself fighting against the heroes.

The former hero becomes the most powerful Demon King in history, and a grand counterattack begins to save the Demon Realm from the brink of destruction──.

Highest Ranking: Daily Overall #1 / High Fantasy #1; Weekly Overall #2 / High Fantasy #1; Monthly High Fantasy #5

※Also published on Kakuyomu.

	The old hero who was betrayed by his beloved disciple and died, the strongest demon king in history... Become a Novelist https://ncode.syosetu.com › ... [Volumes 1 to 3 of the printed version and volumes 1 to 4 of the comic version are on sale now!] [The comic book version, volume 1, has been reprinted! Thank you!] After a fierce battle, the middle-aged hero Fried defeated the Demon King.
	"The old hero who was betrayed by his beloved disciple and died, the strongest demon king in history..." Kakuyomu https://kakuyomu.jp › users › news Announcement of the publication of "The Hero Who Died After Being Betrayed by His Beloved Disciple, Comes Back to Life as the Strongest Demon King in History"... It will be released on December 15th, with illustrations by Kanzarin-sensei. ... It's also available on Kakuyomu...
	Rokushima Asa @'The Villainous Nobleman with a Guaranteed Death Route 2' is now on sale! Become a Novelist https://mypage.syosetu.com › userid ・An old hero who was betrayed by his beloved disciple and died is resurrected as the strongest demon king in history (Saga Forest) *Already adapted into a comic (Comic Gamma Plus) ・A hero whose lover was seduced...
	Rokushima Asa @'The Villainous Nobleman with a Guaranteed Death Route 2' is now on sale! Mirunovel https://mirunovel.com › index.cgi I was summoned to another world as a class, but was banished for being ineffective. Using the skill "Necromancer," I commanded the strongest servants and created an unrivaled army. My own status skyrocketed...
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	The old hero who was betrayed by his beloved disciple and died, the strongest demon king in history... Amazon.jp https://www.amazon.co.jp › Dear brother... Length: 160 pages Language: Japanese Publisher: Takeshobo Release Date: November 11, 2021 ISBN-10: 4801973574 ISBN-13: 978-4801973572
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An old hero who was betrayed by his beloved disciple and died is resurrected as the strongest demon king in history.

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