Primal fury (A furry harem x male hybrid reader)

In the future after humanity fell a race of humanoid being rose. With many names like Beastmen, furries, Demi-humans lived believing all humans were extinct. One day their scientist's discovered an old facility that held captive humans as experiments as weapons. Though many were Missing one boy was left. What will happen if this boy is possibly the only one who has the power to save many lives from his own kind?

A/n: I own no pictures or names used in this book, I only came up with the plot.