Character
Mugen
ムゲン
Biography
Show bio — may contain spoilers
Mugen is Rei's partner. He is actually a card, Mugendra. He doesn't seem to like Ian, though they can get along.
Appears in
ムゲン
Mugen is Rei's partner. He is actually a card, Mugendra. He doesn't seem to like Ian, though they can get along.