Xavier is a hybrid of a demon and a human who was abandoned by humans, so he chose to become the Demon King.
Aize is a time traveler who fell from the sky inexplicably, so he was inexplicably forced to become a hero.
When a brave man meets the devil.
The gears of fate began to turn.
So this is a story about a time-traveler with an upright outlook on life who strives to save the Darkened Demon King while also getting into trouble with his outlook on life.
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The convulsive version of Savile's blackening: "I want to wipe out all human beings"
Aize gritted his teeth: "Unless you step over my body!" ← (The sadness in my heart is like a river: Help, I haven't lived enough yet!
Savile raised his eyebrows: "Oh?"
So overwhelming.
"Is that enough?"
"Enough, enough..." QAQ