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「Someday—you will kill me」 Amelia, the hidden head of the Ronan Ducal House, was once betrayed by the man she loved: Eris, the first king. As a result, she was cursed with “the Blessing of God,” which was really a cruel spell that made her immortal. The curse did more than bind Amelia’s life—it forced her to protect the kingdom for all eternity, so long as the bloodline of Iris continued. Seven hundred years passed. At last, the royal bloodline ended when Queen Isolde rose in rebellion and overthrew the king. Yet even then, Amelia’s curse did not break. Crushed by despair, Amelia suddenly found herself summoned by a boy she had never seen before: Felix. Only the first king, Eris himself, should have been able to summon Amelia with magic. Realizing that this boy might be the only Blessed Child capable of breaking her curse, Amelia decided to raise and train Felix—so that he could one day “free” her from this world by killing her…! [Original Webtoon](https://jp.piccoma.com/web/product/186752) https://www.cmoa.jp/title/352579/#search
Takeru, a “Nurturer,” who was born into a family that trains monsters. To make money, he accepts requests from the Demon King and works hard to raise vicious monsters. One night, a wounded witch visits him and asks him to train Anna, a young girl. In fact, Anna is the last survivor of a legendary witch family… Will a bond be formed between Anna, whose ultimate goal is to destroy the world, and Takeru, the best “Nurturer” in the demon world? What will become of the world? [Original Webtoon](https://ebookjapan.yahoo.co.jp/stories/146280/)
Danterio, the “kind Demon King” who once saved the world from an angelic invasion, fights a final battle and then loses consciousness. When he next opens his eyes, he finds himself 600 years in the future—in modern Japan—reborn in the body of a young man named Daiya Mizukami, who died from bullying and an overdose of magic‑enhancing drugs. Learning of Daiya’s bitter regrets, the Demon King first deals with the problem right in front of him: he crushes the bullies who drove Daiya to his death in an instant. But when he looks at the wider world, he discovers that magic has weakened, and the angels he once defeated have begun to move again. “I am the Demon King, Danterio. I will teach you… how to kill angels.” Thus begins a modern battle‑action story where the strongest Demon King rampages through contemporary Japan, combining reincarnation, school life, and brutal angel‑slaying action.
