Kurono Maou

Kurono Maou is the titular character and protagonist of the Kuro no Maou series. He is originally a normal Japanese student that got summoned into another world. He is also the leader of the Rank 5, Adventurer Party, Element Masters.

Appearance
He has a tall sturdy build with black hair and black eyes that seem to be perpetually glaring. He seems to be naturally athletic but did not particularly trained for it.

As a result of his battle with the 8th Apostle, Ai, He lost his left eye that was later replaced with a bright red eye by the Ancient Demon King, Mia Elrod.

Trivia

 * The chant used by the White Sacrament to summon is written in the form of messy arabic which could be roughly translated as: "An offering to summon the soul of the black dragon through the portal to the otherworld".