The year is 20XX... - Emma is the strongest J○ fighter among primates. - Undefeated and undefeated in life. - He is so amazing that he easily wins against male opponents. - At the fighting gym she attends, she gets irritated by the weakness of the men she practices with, and spends her days cursing and mercilessly shaking them. - The men's pride is torn to shreds and before they know it, they become angry with Emma... - One day, I try to make him take a suspicious drug that he bought on a dark site that weakens his strength and body...