The World Has Only One Human Left

[Invincible Protagonist + Nonhuman Girls + Wild Imagination + Not a Good Person] What would you do if you were the only person left in the world? As the savior of humanity at the end of the world, you defeated every enemy! But in the end, you still couldn’t stop humanity’s decline! In just a few hundred years, you became the only human left in the entire world! Now, will you give up hope of living, or fight fate to the bitter end? Everyone has their own answer! And this is Shang Yu’s answer!