In a world where people manifest a mysterious power called a 'Gift' upon turning ten.

Clovis, a noble designated as the era's villain, suffers an accident in his childhood, losing both his fiancée and parents. He remembers his past life and realizes this world is the setting of the game 'Tales of the Human-Demon War'. Clovis attempts to utilize these past life memories, but he only recalled them after the accident.

Having lost both his parents and fiancée in one fell swoop, a grief-stricken Clovis uses his power of 【Necromancy】 to resurrect his fiancée, Violet, as an undead.

I won't let anything else be taken!

I *will* bring Violet back to life!

This is the tale of a villain's rebellion, a villain destined to lose everything.