From the opinion of the fans were sent a questionnaire, fan disk of Tsurumiku finally realized! Auccessive heroine appears again.

A meteorite falls on the city of Osaka killing much of the population and raised a strong magnetic field around the city. No one can enter or leave, so the few survivors of this isolated world, Osaka declared as an independent nation. However, women begin to hear voices and to ensure that the meteorite speaker, so they will soon join a faction leaving the men outside. The male protagonist of the story will be forced to take drastic measures in order to survive.