The misadventures of a group of young people who seek a better life by becoming bullfighters, the only way to leave their poor existence in the slums of Barcelona.

The adventures of a young Japanese samurai named Yohei who visited Spain in the 17th century, in a story loosely taking its inspiration from the travels of historic samurai Hasekura. Yohei survived in hiding to the present day due to magical powers, and accomplishes many adventures in modern Spain as a superhero.