I’m looking for a manga which I never read but I watched the anime

So the show started off with some guys jumping off a cliff cause he was being held hostage and like the world there in is split inro 2 liek good people bad people but not reallt so like its noone in between and lkke you cant travel ot the other continet and stuff. So when he jumps he lands o. This guy who was on these floating motor cycles . So the guy who jumpped off the cliff is actltyy from the other side so hes taken hostage again. They take him to there holy building and stuff where they like purify peope who madr deals with the devil wjich is really commen in this world. So they end up finding put thtta the boy had this majical marble in him. And like ots on his hand and this creatur is in him. The marble was actally whst made then go to war on the foest place. And lile the guy who tried jumping qas being heald hostage because he use to go to this camp run by the governebt. And they trajned people intp being bad. And i dont rember what happen but he deffened his freidni in somethong and he got placed in jail.