Wild Arms - Twilight Venom

exploits the tales of Sheyenne Rainstorm, a deadly gunslinger trapped in the body of a 10-year old boy. Together with bandit Kiel Aronakus, card-throwing dame Loretta Oratorio, vampire girl Mirabelle Graceland and a weird creature named Jerusha, Sheyenne embarks on a long journey to find out about his lost past and figure out who placed him in his current body.

Super sadly this is the only one of its kind