Chubu-nippon Broadcasting Company

Komaki is a thirty-something woman that has had it with her perpetually unemployed aspiring writer husband. Following the divorce, she moves back to her Tokyo-area hometown of Kyojima along with her young daughter, Non-chan. However, she has a difficult time making ends meet in big city Tokyo. Her solution? Take a chance and try opening her very own bento (lunch box) shop.

In the year 1716 a mysterious epidemic stickens men in the country of Japan, dropping the population of men to 1/4th of its prior state. With the drastic reduction of men, the gender roles have become reversed in Japan. Woman become the dominant members of society and males are sought out for the ability to produce children. A young man named Unoshin Mizuno hopes to marry childhood sweetheart Onobu, but due to class differences realizes this is almost impossible. To raise his social status and also save his poor family, Unoshin Mizuno enters the Ohoku (inner chambers of the Shugun's castle) and attempts to vie among 3,000 other men for the affection of the female shogun. What Unoshin Mizuno quickly learns about the Ohoku is that the men there are all beautiful, but highly ambitious and conniving. In this environment, the 7th shogun Tokugawa passes away and the new shogun Yoshimune Tokugawa takes the thrown and enters the Ohoku.

After trying to rescue a man on the subway tracks, two teens wake up in a room dominated by a mysterious black sphere that sends them to hunt down and kill aliens hiding on Earth.