Ultraseven X is the 21st entry in the Tsuburaya Productions' long-running Ultra Series. It is a revival of the 1967 classic Ultra Seven, and is the first in Tsuburaya Productions' Ultra hero series to be exclusively for an adult audience. The basic storyline of ULTRASEVEN X involves an alien invasion whose goal is to exterminate mankind and take over the Earth. An amnesiac young man named Jin is assigned as an agent to DEUS, the special investigation team defending the Earth. Unaware of his true identity, Jin becomes involved in the conflict with the aliens.