Monster Strike The Animation Episode 0

Oragon has spent his life alone until a mysterious force suddenly pulls him into another dimension. There he receives a terrifying warning: in six months, an overwhelmingly powerful enemy will appear and destroy the Monster Strike world he treasures.

With a disaster now counting down toward him, Oragon cannot remain on his own. He sets out across the Strike World to find companions strong enough to stand beside him, beginning a desperate effort to unite allies before the foretold enemy arrives.