Nobuhiro Takamoto

The story follows the "strongest juvenile delinquent," Tatsumi Oga, a first year at Ishiyama High, the school for delinquents. One day while sleeping next to a river, he sees a man floating down it. Tatsumi pulls him to shore, and the man splits in half revealing a baby boy. This boy is the son of the demon king, and Tatsumi has been chosen as the one to raise it with the baby's demon maid, Hilda. The story follows his life with the child at the delinquent school. (myanimelist.net)

Tokio and his father Amon go to the soccer country of Elevenia where they see a parade of the strongest soccer team of that country, the Winners. Amon challenges the team captain Leon to a soccer battle and, when Amon loses, Leon turns him into a miniature dragon. Tokio sees the fight and decides to challenge against Leon so that Amon can become human again. (myanimelist.net)

In this world, there live a group of people who call themselves "Majo" or "Magical Girls." They hide their powers so as to assimilate into the environment. They have been living together in harmony with the humans for many years to come, and their predecessors continue to do so. Sasami was enthroned with magical powers since her birth. However, at the age of three, she was told by her parents never to use her innate powers and from then on, had kept it a secret from everyone. (myanimelist.net)