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.
Hiro Yuuki
Signal (voice)
Ikue Otani
Mini Signal (voice)
Rica Matsumoto
Nobuhiko Otoi (voice)
Akio Otsuka
Shinnosuke Otoi (voice)
Yuri Amano
Chris (voice)
Yuriko Shiratori
Elara (voice)
Takehito Koyasu
Pulse (voice)
Kumiko Nishihara
Minoru Otoi (voice)
