Shinya Yukimura and Ayame Himuro are two scientists that want to find out if love can be solved by a scientific theory. These two scientists also have feelings for each other and want to be able to solve their feelings through similar theoretical facts. With this perfect opportunity, these scientists will attempt to solve the theory of the love they express for each other.
The evil warlord Gengetsu Kibaoni was defeated 444 years ago by the Last Ninja, the head of the Igasaki Family. In 2015, the Kibaoni Army starts rebuilding their empire and use fear harvested from humans to revive him. Five members of the Igasaki family must use their Nintality to transform into the Ninningers and fight to prevent the revival of Gengetsu Kibaoni.
