Synopsis

Intheyear2050,acolossalspaceshipsuddenlyappearedaboveEarth.GovernmentsworldwidepanickedastheysawthevastspaceshipthathadjustteleportednearEarth.Beforetheycouldevenunderstandthesituation,onehumanoidalienemerged.“Humans,Iamyourancestor.”“Wedistributedourlifecodewithanatmosphere-changingmoduledevicetomanyuniversesandgalaxies,hopingtorecoverournumbersafterthewar.”“Iwillnowawakentheearth'smanacoreandinstalladimensionaldungeonsystem,whichwillopenmanydungeonsaroundtheearth.”“I'malsoconnectingEarthwithaSystem.”“Thiswillhelpyouawakenfasterandgetstrongenoughtosurviveinouruniverse.Gaia(system)willexplaintoyouotherimportantthings,”Hefinishedandthendisappearedwiththespaceshipashewasneverpresentthere.[HelloHumans,IamGaiaIwillhelpyoualltoawakenandbecomestrong]..................................After300years,Earthisfullofmanaandmanypowerfulbeaststhatroamallaroundtheworld.Allpeopleawakentheir“BookofContracts”whentheyare10yearsoldbyclearingthebeginner'strial,butRishifailedtwicetoclearhistrialandonlyhasonechanceleft.Whichhehasnotusedduetohisfearoffailing.FollowRishionhisquesttoovercomehisfearsandbecome“TheGreatestBeastTamerofEarth.”