After years of unrelenting resistance, the male-dominated eastern nation of Nihon has been subjugated by the female-dominated western nation of Wime.
As the defeated country struggles to recover from the ravages of war, it is shaken by a new mandate:
All regional management institutions must be led by women.
Some time later, Yamamoto Akuji, scion of the Wakame Group; the most powerful organization in the city of Osaka, returns home after spending years as a prisoner of war.
He is greeted by an unfamiliar man, who informs him that his family’s business is now under the control of Ichihashi Ran, his grandfather’s former mistress, and that he is no longer welcomed within its walls.
Before he has any time to argue, Akuji is swarmed by his former subordinates and, weakened by his time in captivity, beaten unconscious and left for dead.
Upon regaining his senses, he finds himself in the custody of the Youth Service Group; a small community patrol squad created under the orders of the government to disseminate the Wakame Group’s power.
Recognizing an opportunity, Akuji assaults his captors and forces their leader, Aoba Youko, to submit to his will.
With a foothold now established for himself, Akuji sets his sights on amassing enough power to reclaim his birthright…