is an adventurer who was trained in sword fighting, along with his friend
by his older brother Sho.
However, Sho suddenly abandoned the pair. Eiji then entered the first two
Toshinden tournaments in hopes of finding his lost brother, to no avail,
although he managed to help destroy the Secret Society in the latter. He
then learned he was being targeted by the Organization and he entered the
third tournament hosted by it. With the help of the fighters on his side,
he managed to destroy the Organization and its leader Abel. Soon after,
Sho finally faced Eiji and left his son Subaru in his care. However, before
Eiji had a chance to fully reunite with his brother, he disappeared immediately
afterwards once again.
trained Subaru in sword fighting and eventually passed down his katana to
him. He was then offered to become the leader of a new criminal organization
named the Gerard Foundation. He accepted, hoping to dismantle it from within.
With the help of the altered humans Eos and Zero, he hosted and participated
in the fourth tournament to gather the Four Sacred Arms; powerful, mystical
weapons based on the four symbols of the Chinese constellations.