AttackonTitanItissetinaworldwherehumanitylivesinsidecitiessurroundedbyenormouswallsduetotheTitans,gigantichumanoidcreatureswhodevourhumansseeminglywithoutreason.ThestorycentersonErenYeager,hisadoptivesisterMikasaAckerman,andtheirfriendArminArlert,whoselivesarechangedforeveraftertheappearanceofaColossusTitanbringsaboutthedestructionoftheirhometownandthedeathofEren'smother.VowingrevengeandtoreclaimtheworldfromtheTitans,Eren,MikasaandArminenlistintheMilitaryandjointheSurveyCorps—anelitegroupofsoldierswhofightTitansoutsidethewalls.DuringtheensuingbattlewithTitans,Erendiscovers,byaccident,thathepossessestheabilitytotransformintoaTitanatwill.Thoughheisseenasathreattomankindbymany,others,includingthosewithintheSurveyCorps,seeEren'sabilityasarayofhopeinthefightagainsttheTitans.WiththethreatofnewTitansandapossibleendtosociety,ErenandhiscompanionsbeginadesperatefighttoprotectwhatremainsofmankindwhileunravelingthesecretsandmysteriesbehindtheTitans,thewalls,andevenEren'sownexistence.TheTitansappeartohavenoobjectivesotherthankillingandconsuminghumans,whichtheydoonlybyinstinct,astheydonotseeminterestedinattackingotheranimals.Theysurviveonsunlightanddonotneedtoeatordrinktosurvive-theyactuallylackanydigestiveorgans,forcingthemtooccasionallyregurgitateconsumedprey.ErenYeager利威尔Thankyou!