Tokyo Kids

The year is 1580 and Nobunaga Oda is working to consolidate his power over Japan. In his army are weapons of great destructive power: rapid fire machine guns, lasers, missiles and, most frightening of all, the reputedly immortal ninja Ginnai Doma. Like a sentence of divine wrath he hunts down and destroys dissident monks, ninjas and others, wherever they may be. With the clans on the brink of destruction, a single ninja accepts the impossible task: kill the immortal Ginnai.

When he was young, Arimasa Tsuchimikado rescued an injured cat and wished for it to become human. The cat, Kagetsu, is actually a member of the shape-shifting Kouga tribe and comes to live with Arimasa.

Signal, a robot companion built for Nobuhiko, is attacked by Pulse, one the its creator's previous prototypes. Reprogrammed by Dr. Otoi's mysterious rival, Pulse is loaded down with weapons and sent on a mission by Otoi: steal the most recent robot technology, and obliterate anything that gets in his way.