I'm Too Ugly for Anyone to Take Me Along, So I'll Become Invincible on My Own

[Season One] [Gravity Edition] A colossal apocalypse panel descends and announces: [Welcome to the age of the apocalypse. Because of humanity's long-standing destruction of Earth, the apocalypse panel is now officially introducing the Law of Fairness for All Things. Humanity will be demoted to the lowest form of life. From this moment on, any creature on this planet may hunt and slaughter humans. Under the apocalypse's Law of Mercy, humanity has seven days to prepare. After seven days, all things will begin their assault on humanity.]