Look at the story description:

"In just one night, gene mutations have caused immense power boosts in the violent tendencies and natural strength of women. Men have become the bottom feeders of society. In a world ruled by women, the Patriarchy's greatest disciple, Jack Hoff... ...has taken on the Tourney of Supreme Warriors, a competition ruled by the females. He swears to earn back the honor of men, using force and charm to smash 'dem bitches into the darkest of abysses!"