Ichinokura Ryuu

Protagonist of Eden, the

Spoiler

incarnated king of Mu

. A regular, slightly pessimistic average high school male who is pretty much indifferent with everyone. He has lost his mother when he was young and has also lost his father due to certain events in the past.

Spoiler

This incident mainly involved Tsukimura Emu’s father. Despite the tragedy, Ryuu swore by his own "hand to heart" contract that he'll protect and live for Emu, no matter what happens.

He probably would have continued living a normal life if not for the events which happened in Mirokujima.

Spoiler

Maya Union assassination target with the priority number of 3