This is a story of a boy named Hiroki and his friends who defeated a dangerous monster during their childhood which inspired them to be adventurers in the future. All of them will be fighting for their village or maybe the whole land of Romoss against monsters from other dimensions and strong people who rebelled against the world. But before that happens, they must train hard to be able to defend at least defend themselves. Where would they're journey lead them to? Where will the wind take them?