All of the strongest demons have horns, it's what separates the weak from the strong. Without a horn or power, there is no place for anyone within the Castle. So, what would that mean for the 5 year old prince of the Royal Family who was born without one?

Looked down upon as the failure, Kizou struggles to fit himself within the standards of the Kingdom. Even the lowest maids of the Castle Walls treat him like trash while everyone outside of the castle doesn't even know he exists. However, Kizou ends up going on his toughest mission yet that ends up changing the whole course of his life.

Follow Kizou's journey as he encounters new people and create new relationships. The 5 year old prince without a horn just might actually be someone worth looking up to.