Seven Deadly Sins transported to MHA

With The threat of the Demon King gone and chaos Caith being defeated the 7 deadly sins separate from each other. After a reunion party was stopped when strange men infiltrated the castle and attacked the sins but thanks to Meliodas's incredible strength they were taken down easily when one of them pulls out a purple orb which teleports Meliodas and Ban to a foreign place. Can they make it back home in this strange new world?