La loi d'Ueki!

Synopsis: His classmate Kosuke Ueki intrigues the young Mori Ai a lot, since she caught him transforming waste into tree seedlings. Convinced that he is an extraterrestrial, she shares this with her teacher Mr. Kobayashi. After trailing him and catching him in the act again, Mr. Kobayashi tells Ai that he himself is a candidate for the position of God and that he has given Ueki the power to transform garbage into trees...