Professional wrestler Genzou Shibata sports the body of a mountain, but beneath his hulking appearance is a man with an extreme affection for animals. Facing off his opponents in the ring as the legendary "Animal Mask," Genzou wins the hearts of crowds everywhere with his iconic tiger persona. During the bout for the title of World Champion against his greatest rival, the Macadamian Ogre, Genzou is suddenly summoned to a fantasy world by a princess. With her kingdom being threatened by a monster infestation, she pleads the wrestler for assistance—to which he answers by knocking her out with a German suplex! Escaping the castle and finding himself stranded in a mysterious land, Genzou decides to begin his career as a beast hunter to capture and befriend creatures far and wide. Joined by the wolf-girl Shigure, the dragon-girl Hanako, and the vampire Carmilla Vanstein, the professional wrestler pursues all kinds of dangerous requests for the sake of fulfilling his dream as a pet shop owner. [Written by MAL Rewrite]

In the 1920's, Inaho resurrects a vampire named Mosquiton with her blood. He awakens and becomes her slave. Now, Inaho is after the O-Part, which will grant her immortality. However, a bunch of supernatural monsters are out to stop them from achieving their goal. (Source: ANN)

Bundled with the 9th volume of the original novel, it is the unaired 13th episode of the TV series.

In the year 2066, the Republic of Hontworl, a charter member of the United Nations, leaves the organization without explaining its motives. This causes an outrage within the U.N. and places the security of the world on edge. Soon after this incident, Myori, the capital of the Republic of Triad, is attacked by a bird-like, flying fortress known as the Turtle King. The International Science Organization, which is headed by Dr. Kouzaburou Nanbu, is tasked to deal with this mysterious enemy. At the same time, the leading scientists of the ISO are disappearing. The five members of the Science Ninja Team, the Gatchaman warriors, are called upon to get to the bottom of things. It's been years since the team has fought Berg Katze and the infamous Galactor organization. Will Ken, also known as the Eagle, still be able to lead his team to victory against this supreme force of evil?