Tokyo, 2029. Long thought to have disappeared following the asteroid impact that led to their extinction, dinosaurs secretly endured by transferring their DNA into humanity through interbreeding. Concealed among ordinary citizens, they now hunt humans while remaining undetected within society. Opposing them is a secret order of ninjas who utilize Ryugesho, a unique pigment imbued with ancient memories. By applying this enigmatic substance, they unlock the dinosaurian powers within themselves and combat the predators endangering humanity. As the dinosaurs initiate their campaign to eradicate humankind, the ninjas mobilize to halt them. The struggle for the survival of both species commences.