Based on a Japanese manga series written and illustrated by Takao Aoyagi. It was serialized in Shogakukan's Monthly Shounen Sunday from May 2009 to August 2013, with its chapters collected in seven tankobon volumes.
"Welcome to the El Palacio" takes over TV Tokyo's Friday 24:12 time slot previously occupied by "The Brave Yoshihiko and Great Satan's Castle" and followed by "Don't Shoot Me Mr! Untold Stories of Gravure Models" on January 13, 2012.
Cast