Uchuu no Kishi Tekkaman Blade OVA: Missing Link

10 years have passed since the end of the last war against the radam. A new team of Space Knights has been assembled under the lead of Aki and D-boy. The first mission of the new tekkaman is to defeat the radam but then, they have to fight against a remnent from the past.

The first OVA, Burning Clock, tells the story of the Aiba family, goes into further detail about Shinya and Takaya's rivalry.

Tekkaman Blade takes place in the year 2300 AD. On a certain moment, the Radam attack earth. A few months after the beginning of the invasion, a tekkaman appears, he calls himself Blade and with the help of the Space Knights, Blade starts to fight the radam. But there are a few things that Blade isn't telling about his past.

Second Break Blade movie.