El Cazador de la Bruja
エル・カザド (original)
Nadie is a bounty hunter targeting Ellis, a young amnesiac girl who is a suspect in the murder of a famous scientist. Nadie manages to apprehend Ellis, but on a whim, decides to help unlock Ellis's memories.
Starring Shin-ichiro Miki, Mamoru Miyano, Kenta Miyake, Aya Hisakawa, Marina Inoue, Shizuka Itoh, Ai Shimizu, Fumihiko Tachiki
Watch "El Cazador de la Bruja" on Amazon released in 2007. It's a comedy and action & adventure show, and has a rating of 6.8 out of 10 from Imdb which is usually fine for this kind of show.