Contract with a demon

In a world overflowing with mana, the existence of Witches, Mages, Dragons, Elves and beast people is nothing new. Life should be simple and easy enough, right?. Ask Quiv that question. Quivier, Quiv for short is born into a lowly family, living in a small village located at the outskirt of the kingdom. Due to his weak body, he barely has the ability to harness magic and is rejected at the royal academy time after time, despite being the highest scorer. Fast forward some years later, tragedy strikes as Quiv's village is burnt down and reduced to ash. His parents stampeded on at the heat of the moment. Leaving behind their two children, in a world ranked by class and strength. Quivier seeks to start a new life with his brother at the capital and move on. Fate decides to add a twist. The fire was planned, and by the nobles, who feared for the existence of the boy with the demon eye, prophesied to wield extraordinary power. Fuelled by revenge, Quiv accidentally summons a demon he had signed a contract with, in his early childhood. "I'll spill every last drop of their royal blood..." "And I'll happily help you wreck havoc on this world." Read through the story of Quiv's quest for revenge, and his new life with a narcissist demon Lord, who happens to share a body with him.