It all begins when the gates of another world open on Earth, and the current state of society changes rapidly, with the most noticeable change being the fall of male superiority due to the peach, which only gives power to women. Jin Takeru, a convenience store clerk was caught up in the Mato disaster during the first year of chaos. A tragic life story where the man turns into a special type of Shuuki, traveling in a barren world with all Shuuki (Monster) inhabitants. Years passed until a century, Jin Takeru suddenly became himself when he was a human a century ago. And how will that man live his life in the present time. The rules and social order have changed dramatically. ... Notes. The world is based on the popular fanservice manga Slave of the Magic Capital's Elite Troops.