Sekai no Owari no Encore

The valuable treasure, the "Encore" which was left by the legendary Elline the Brave Hero, has the recording of the end of the world and the reincarnation of the world. The countries and brigades (parties) all over the world are searching for the location of its whereabouts; the age to fight for the Encore. The boy called Ren who wants to become a knight has no talent in wielding swords despite looking exactly like the Elline the Brave Hero, he has been having a lifestyle where people taunt him...