Sadamitsu, a high-school delinguents turned to a masked-hero, while not dealing with his rocky relationship with the strong female protagonist, he puts on a motorcycle-helmet-like mask and becomes a semi-robotic superhero who fights. He is assisted by other possibly- mechanical creatures in order to save the earth from the invasion of 20,000,000 escaped alien convicts.

A recap film with some new scenes. The Sky Pirate Fam and Millia (the princess who Fam rescued as her Turan Kingdom faced devastation) wage a battle against the Ades Federation that reduced Turan to ashes, and aim to establish a revived Turan Kingdom.

Ryo is sent out by the people of a village to kill the monster which has been attacking the villagers. It is rumored that this monster is a cat-woman named Bagi. As Ryo waits for the monster to come to its watering hole, he thinks back to how he first met Bagi as a kitten who learned how to write, and later reenters his life on a quest to discover who and what she really is. But now she has gone wild, and as the time of her arrival approaches, he strengthens his resolve to kill her.

OVAs bundled with the 15-17th volumes of the Mushibugyou manga.