Charlie is one of a kind. As a half-human, half-chimpanzee Humanzee, his intellect and physical prowess is off the charts. Which is why The Animal Liberation Alliance, a terrorist group, wants him. And they will take extreme measures to get him. However, Charlie is determined to fight back for the sake of his loved ones.

When the monstrous Nergal devastates her kingdom, Princess Sapphire reawakens as the Ribbon Hero and fights to save her new home from the same dark fate.

Monsters overtook 80% of the world, and people in Hexaldoria received Classes at birth. Kouji Kagami, a Villager—the weakest Class—reached the unprecedented Level 999. When he met the Demon King's daughter, everything changed.