War at Stygian. Volume One: by the Luna Sea

The Crimson Haired boy called Kurt is the only son to the Dragon god. Heir to the throne of Faulthrain. But an attack from his power thirsty Uncle Goihtra the Flame Dragon destroys his homeland. Now he wanders the earth with no aim in mind before innocently joining the Kenji Society people dressed in green and black whose aim is to defeat the Blue lords that kills humans and beasts alike.

His teammates are not the best but definitely not the worst either.
Leif, the crowned prince of the Elfen tribe of Algorithm.
Bertha, a half human half dwarf.
Axel, a good for nothing human who specializes in wooing women into his bed and a cunning con artist
Then the mysterious Samael who is the only beastman they had met.

From fighting Blue lords to assassinating mermaids in their messed up world they try to survive until they come in contact with Blair. The mask of the Shinhonda clan and the only one with the information on how to find and defeat Goihtra, the ruler of the new artificial dragon clan.

Then they clash, by the Luna sea.