Ep. 9: El Club de Investigación Oculta descubre a un chico sellado llamado Gasper Vladi que controla el tiempo.

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The Occult Research Club unseal the locked door in their club house, revealing a boy wearing a female school uniform whom Rias introduces as Gasper Vladi, who accidentally freezes time when Issei touches him. They learn that Gasper possesses the Sacred Gear, Forbidden Balor View, and was sealed due to his inability to control it. Rias, Akeno and Kiba then leave to help in the preparation for the meeting of the Three Factions, leaving the others to train Gasper. During the training, Azazel suddenly arrives at the school yard and gives Saji, Issei and Gasper advice on how to control Gasper's Sacred Gear before leaving. Issei and the others take Gasper to the gymnasium in an attempt to train him to focus his powers, however Gasper once again goes into seclusion after the training. Issei has a conversation with Gasper, managing to get the boy to open up and talk with him, until Kiba, Koneko, Asia and Xenovia arrive. The next day, Issei goes to the shrine with Akeno and meets another new figure who introduces himself as Michael, the leader of the Angels. (Source: Wikipedia)