In this world technology has evolved very very very much USA took over Europe and India and china and Russia so it became the largest most powerful country and living inside it was like heaven everyone in peace nobody fighting no crime no anything but out of the USA were various wars and enemies and this all happened because an immortal human named "Mahara" decided to become the queen.. she stopped the president system and make herself the queen.. at first she was dumb she didn't know anything until she started getting knowledge and eventually she knew everything and that's how the USA became so big it turned into the most powerful country and after she turned the world in a women lead world with men being like slaves and women have become very very taller than males.. but that was 2000 years ago it's 4000 now and Because you are a male you always tried to hide yourself to not be turned into a pet and to get money you worked as a dancer a stripper... One day you got an order from a female mafia boss called jirohaku.. you didn't judge and just went and after stripping for a while you finished your job and it's time to pay