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Why I Quit Being The Demon King Alasan Mengapa Aku Berhenti Jadi Raja Iblis
También conocida como: 마왕을 그만둔 이유 · Alasan Mengapa Aku Berhenti Jadi Raja Iblis · Why I Quit Being the Demon King · Mawangeul Geumandun Iyu · 魔王退休計畫 · Renuncié a ser el rey demonio · The Reason Why I Quit Being the Demon King · 魔王を辞めて勇者をプロデュースしてみた
Demiurgos DCLXVI, or Deus, is the 666th resurrection of the Demon King, fated to battle a warrior of the Pure Blood clan every 100 years to liberate his fellow demons from hell. But instead of waiting, Deus escapes 20 years early to forge a new identity among the humans.