Donkikko

(from ebookjapan):
Donkikko is a boy who came to Tokyo for a reason. He is accompanied by Dondon, a boy whose power increases when he eats, and Gombe, a talking duck. The group aims to visit an antique dealer called "Wan Wan Do. However, they are turned away at the door because they have no connection to the place. Donkikko and his friends are in trouble, but they find a vacant lot. They build a house without permission. Then, the landowner discovers them and ......?　Donkikko, a boy with mysterious powers, causes a number of comedies that are unparalleled in their poignancy.