Kiichi Someya

The story starts with Kiichi aged three living with his parents. After they are murdered he runs away and lives with some homeless people for a while he ends up surviving in the woods for nearly a year before being returned to his grandparents. In the second arc of the series Kiichi teams up with an much more verbal and intelligent friend. They attempt to save a girl from classroom bullies. Kiichi VS takes place ten years later and finds Kiichi running a large organization dedicated to improving the world.