Ultraman Mebius Side Story: Ghost Reverse - STAGE I: The Graveyard of Darkness

In the Land of Light, the Ultra Brothers receive the interrupted Ultra Sign sent by Hikari, which comes from the Monster Graveyard. Obtaining Zoffy's approval, Ace and Taro depart to investigate the matter while Mebius, on his routine patrol, is quickly notified by Zoffy to join the investigation.