Three months ago, the kaiju, Leviera, appeared out of nowhere. The only way to deal with it was to temporarily drive it away with a new disinfectant, FK1, developed by the major chemical company Novaio.

There is a strange link between this mysterious kaiju and Novaio...

In order to find out the truth, Emi goes undercover to work under Sonezaki, the CEO of Novaio!