Lizardman

After failing the college entrance exams, he is reborn as a lizard and transmigrates to Kuiwang Star, 340 years in the future, where he begins farming the planet... Mutation, return to Earth, revenge! The class beauty's descendant, while I'm old enough to be her great-grandfather. How are we supposed to get along? She... seems to be immortal. Earth invades an alien world, leaving devastation in its wake. What should I choose? Become a god of war who conquers new territory, or the great villain in everyone's eyes...?