Nishi is a loser who has a crush on his childhood girlfriend. After an encounter with the Japanese mafia, he journeys to heaven and back, and ends up trapped in an even more unlikely place.
Set in a future world. Japan has created a great medical technology that controls ethics, health, and social interaction to create a perfect world. Three young girls attempt to stand up to this by committing suicide, but it doesn't work. Years later, Tuan, one of the girls who attempted suicide must prevent a crisis that threatens this "perfect" world.
In a land of dragons, where citizens called breeders tame their dragon pals, races of dragons are born from breeders who are given a Seikoku: a dragon star-shape brand. Learning to ride and tame dragons comes easy to most students at Ansarivan Dragonar Academy — except for first-year student Ash Blake, who is known by his fellow classmates as the "number one problem child".
