Amatsumizushi "Kago" Bokumetsu Dayori Gagohan

One day, the city of Amatsumizu suddenly began to be infested with a large number of "Gago," a strange-looking creature. Concerned about the population exodus, the mayor decided to establish the Gago Eradication Team, also known as the "Gagohan". After a strict lottery, ordinary female citizens were chosen! Can they save the city?