The world "Alsto" is where the giant creature "Giant Beast (Ars)" goes on the unendlessly expanding clouds sea
Shonen Rex is a "driver" that exerts the power of the girl Homura from the subspecies of "Braid," and aims to be the legendary "Paradis"
The stage of adventures in Alst is on the giant beast A journey to paradise as you walk across the giant beast rooted in different environments, cultures
