The document summarizes the plot of a Japanese light novel titled "Daughters of the Earth for Sons of Heaven and Hell". It follows a male character named Mizuki who wakes up one morning transformed into a female. All other men in the world have similarly changed sexes except for married men. The plot then follows Mizuki and his girlfriend Kaori as they investigate the cause of this event with their friends and encounter a demon named Ortel who was responsible for the global transformation. In the end, society adapts to an all-female world where women can mysteriously still become pregnant through supernatural means.

1. DAUGHTERS OF THE EARTH FOR SONS OF… By 18 th Moon Station ( 名付 世書 )