%e5%a4%b1%e6%a5%ad%e8%b3%a2%e8%80%85%e3%81%ae%e6%88%90%e3%82%8a%e4%b8%8a%e3%81%8c%e3%82%8a%ef%bd%9e%e5%ab%8c%e3%82%8f%e3%82%8c%e3%81%9f%e6%89%8d%e8%83%bd%e3%81%af%e4%b8%96%e7%95%8c%e6%9c%80%e5%bc%b7%e3%81%a7%e3%81%97%e3%81%9f%ef%bd%9e%2c(raw%2c%e2%80%93%2c

Physical copies can be found at retailers like Manga10 or Shueisha's official store .

: Karuna helps Cecilia defeat rival demon kings, eventually leading to her becoming the "True Demon King". Physical copies can be found at retailers like

: Illustrated by Omine and serialized on platforms like Shonen Jump Plus and Yanjan! . : While exploring a cave, Karuna accidentally shatters

: Karuna eventually faces off against former comrades, including the previous Hero, Heracles, in a showdown at a "Hot Spring Labyrinth" created by Karuna himself. Publication Details Original Creator : Ghost Mikawa. Story Progression & World Building

: While exploring a cave, Karuna accidentally shatters the powerful barrier surrounding the Demon King's castle. This feat catches the attention of Cecilia , the bewitching Demon King of Lust, who immediately scouts him for the Demon King’s Army.

: As of mid-2025, the series has reached at least 15 volumes . Where to Read/Buy : Digital versions are available through Amazon JP .

: Karuna is a classic "unaware OP" (overpowered) protagonist. He frequently performs world-shattering feats of magic—such as obliterating high-ranking enemies or creating complex dungeons—while remaining under the impression that his actions are normal or even mediocre. Story Progression & World Building