Ultraseven: S1 E1 - The Invisible Challenger
Terrestrial Defense Force presumed that incidents of human dissapearing is done by alien, and sent out the elite team "Ultra Guard" for investigation. However, a mysterious wanderer appeared in front of Furuhashi and Soga, the members of the Ultra Guard. The man named himself Dan Moroboshi, warned them about the danger and told them how to solve the incident. Who actually is this man?