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.
Reviews
GamerTab
That was an excellent one.
Moustroll
Good movie but grossly overrated
BroadcastChic
Excellent, a Must See
Tayloriona
Although I seem to have had higher expectations than I thought, the movie is super entertaining.