One day, in the city of Night Town, a boy named Hajiki Sanada is assigned to make a special delivery for a very mysterious client. Hajiki accidentally opens the package, only to find a mysterious blac…

After forming a techode from the GAD, Hajiki is confronted by Katana, the pilot of a Heavy Metal named Seven. Hajiki and the Techode manage to drive him and the Jack Gang away. Unfortunately, Katana b…

Catherine Flaunbert is the new employee at Hachisuka's company and Hajiki isn't too happy about it. Nevertheless, Hajiki follows one of her leads on a GAD to the junkyard. Unfortunately for Hajiki, hi…

A GAD is being escorted to the Day Town Museum as a jewel. However, Katana and Wanda soon team up and succeed in stealing the GAD!!

Aiko has an idea that all the Techode owners could be friends. Thus, he confronts Takumi, Hajiki and Katana. Meanwhile, Catherine persuades Hajiki and Lightning to steal a GAD for her that is being sm…

Catherine hires Hajiki and Lightning to steal a coffin that a man was supposedly buried in, along with a GAD stone. The police soon catch on, and discover Hajiki. They chase him and accidentally lose …

Two Guardian, or Techode, Hunters have appeared in Night Town to investigate the recent appearances of Techodes all over the city. They soon meet up with Lightning, Thunderbolt, and Messerschmitt, but…

Zero continues to take damage after losing its arm to an Atechode. Thus, Katana sets out in search for repairs. Will she be successful?

Lightning and Lightning are chased through Night Town by Mary and Chris.

Two crime families wage war in Night Town and Hajiki is thrown right in the middle of it!

Hajiki has problems when he keeps getting into trouble for missing his classes. In addition, Hachisuka has assigned him the job of delivering 100 wedding invitations! What a mess!

Hajiki begins to wonder if he’s anything like Katana and what he would be without Lightning. Meanwhile, an assassin named Takanaka targets both Hajiki and Katana. Now, the two have to work together if…