Kousuke Ueki, a student of the Hinokuni Junior High School, is picked by a God Candidate, Koba-sen, to participate in a competition where people battle out to become God and only the strongest will prevail. Embodied with the ability to turn garbage into trees, Kousuke will be joining in the battle against other junior high school students in this selection. This sets the premise for the earth-friendly battle where the students will pit their powers against the rest.
 
(Source: Anime News Network)


He passed away of cardiac failure on January 2, 2009. 

In a world of powerful celestial beings, an epic contest is being conducted to select the next king! Each Celestial selects a kid in junior high to be his champion and grants him a special power. The kids battle it out--losers are eliminated, and the winners are granted new talents!
 
Seemingly ordinary Kosuke Ueki has been chosen to be a contender in the tournament. Granted the power to change trash into trees, Ueki has two disadvantages to overcome--one, he doesn't know he's a participant in the tournament, and two, how the heck can anyone win a battle with the power to turn trash into trees?
 
(Source: Viz Media)

Zack