A deadly virus known as "Algernon" has attacked humanity. At the forefront of the battle is the mysterious Akamatsu Industries, this undercover organization uses enhanced weapons known as NeuroNoids to battle Algernon. Also helping with their secret efforts is the mysterious mutant who is known as "Betterman."

Kappei Yamaguchias Keita Aono (voice)
Takehito Koyasuas Betterman Lamia (voice)
Chafurinas Akamatsu (voice)
Junko Iwaoas Sakura (voice)
Shin-ichiro Mikias Shou Yanagi (voice)
Houko Kuwashimaas Chandy (voice)
Tomoko Kawakamias Seeme (voice)
Yuko Minaguchias Kaede (voice)
Hiroaki Ishikawaas Tsuguo "Usshi" Ushiyama (voice)
Hiroki Takahashias Cactus Prickle (voice)