The action takes place in an alternate reality where Japan is engulfed in chaos and destruction. Only armed groups and few surviving citizens can be found on the streets. One day a group of girls trying to find a safe haven encounter one of these groups. In exchange for protection from the dangers of the outside world, the girls agree to perform certain services.

A married couple has been happily married for several years. Knowing that the husband had an opportunity, the wife asked him to get tickets to a concert of a band widely known in narrow circles.