The time is 20XX ... She is the strongest primate J ○ fighter Emma. She is undefeated in her life. It's terrible that you can beat a man with a margin. At the fighting gym she attends, the days of frustration, taunting, and relentless shigoki of the men she practiced with. Men's pride is shattered and Emma gets angry at some point ... One day, she tried to take a suspicious medicine that she bought on the dark site and weakened her power and body.