The Ousama Megid was created from a specially created blank Alter Ride Book being embedded in a human. Over time, the person's life force is used to develop the Alter Ride Book, and when it is completed, the host will disappear. However, if the Alter Ride Book is immediately destroyed after its completion, the human and Megid will be separated, allowing the Megid to be safely defeated.

Hosts:
-Shingo Kitajima

Arsenal:
-Scepter: The Ousama Megid possesses a scepter that channels both his summoning and combustion blasts.

Abilities:
-Summoning: Tied to his host's obsession with model cars, the Ousama Megid can teleport cars from nearby locations and use them to form structures such as walls.

-Combustion: The Ousama Megid can generate and launch combustion energy through the yellow gem on his scepter.

-Crown Attack: The Ousama Megid can attack by generating a giant yellow energy construct resembling a crown, and sending it in the enemy's direction, resulting in a massive explosion.

Equipments:
-Hadashi no Ousama Alter Ride Book