Yugen

Yugen (ユゲン) is a fanmade ARC-V character by Hawkatana, and the Evolution Dimension Counterpart of Yuya Sakaki. A scientist studying the other dimensions and how they came to be. He obtained the mysterious Burst Flame Evolution Dragon at an early age and shares a strange connection with it.

Etymology
Yugen is a portmanteau of the Japanese characters Yu (遊), meaning "game" and Mugen (無限) meaning "infinity".