Daichi Harashima plays a kid fed on genetically engineered food produced by a company called "Superkid", thus having far higher IQ than kids of his age while suffering from mania.

Superkid (2006)
Overview
Director
Daichi Harashima plays a kid fed on genetically engineered food produced by a company called "Superkid", thus having far higher IQ than kids of his age while suffering from mania.
Director