Springfield XD

Rentaro Satomi's Gun is an unnamed weapon utilized by Promoter Rentaro Satomi.

Description
Rentaro is in possession of a, as he states, normal black gun. He carries the gun on the back of his pants, using it when he is the midst of a fight. He has shown great mastery over said weapon, shooting a Stage I Gastrea repeatedly without showing any signs of fatigue and with the ability to maintain his stability throughout the process.