A monkey, a dog, a pheasant, and a bear travel southward after resting in their villages at the foot of Mt. Fuji. A squadron flies to Onigashima under the command of Momotarou. Parachutes blossom in the sky. Momotarou and company will take over the island after a swift and successful mission. The village children pretend parachuting with glee as they run towards Mt. Fuji.

Grade schooler Yuuta Tomonaga stumbles upon Deckerd, a humanoid robot under construction by the Japanese police, built to fight advanced forms of crime. Yuuta's constant contact with Deckerd gives the robot a "heart," or personality; when Yuuta is recruited as the "boss" of the "Brave Police" as a result, a true human/robot partnership occurs.

The story of a young girl and a young dragon. Naturally, they are the best of friends, and naturally the rest of the world is against them both. However, when demons decide to trash their world, they side with those who have always been against them.