Shinpi no Sekai: El-Hazard The Magnificent World is an Adventure game is based on is a Japanese anime franchise.
The story go by high school student Makoto Mizuhara and his companion got trap into another uknown world and Makoto have been chosen as savior by pray of the princess.
The GBA conversion is essentially the same as the Saturn version, except for a bit of positioning error and some added facets to the characters that are not by any means 100% accurate to their typical cartoon counterparts.