Kamen Rider Amazon's Infinite Return: the Race's Survival Battle

The collision between beasts and humanity and the world. The tragedies of the Amazons world will have a good outcome in this world. The protagonist is not a virgin, he kills those who deserve to be killed, and he does whatever it takes to achieve his own goals. As an alien in this world, how should the protagonist deal with it? The law of the jungle versus the law of human society, coexistence between races. The strong are respected and the weak are slaves? What is the ultimate goal of the thousand-year war between gods controlled by the people behind all this? The appearance of old friends, new crises, and the presence in the depths of the universe hang over the protagonist. While fighting against them, the truth of the past gradually emerges.