Ultraman Mebius S1 E36 - Mirai's Younger Sister Ultraman Mebius

A girl named Kako who claimed to be Mirai's younger sister turns out to be a wandering Alien Psychokino, who uses psychic powers to cause mischief. The GUYS welcome her, but Aide Toriyama tries to capture her due to his fear of aliens. The enraged Kako unleashes Monster Angross on the humans!