The sequel to the "Future Investigator Bravan" story told in VIPER-V12, VIPER-F50 continues the tale of Bravan and his partner Anri as they fight against the forces of Donarghe and its army of mutants. Colonel Gel returns with a plot to defeat Bravan by capturing Anri and fellow investigator Shine. However, Gel's plot for world domination unknowingly hinges on the faith and abilities of her young protégé, Mari.

[From Sogna Digital Museum]