Humanoid Natural Disaster: I Am a King in the World of Alien Beasts

Jieyou left one son, and when he was finally about to enter the last year of his college career, he died suddenly just before due. When he opened his eyes again, he became a pet in a topsy-turvy world of humans and animals. The owner of the manor was a weasel and wanted to sell him. Jieyou: I'm tired, hurry up and destroy... As fate would have it, he was attacked with an anesthesia needle during his escape, fell down a hillside and returned to modern times. Before you could take a breath, the world changed overnight - seven continents fell from the sky, and the world order collapsed instantly! The instructor urgently stopped his biology project, but unfortunately he was hit by a large truck as soon as he came downstairs, and he returned to that strange world again. By chance, he infiltrated into a non-captive human organization and became an informant in a pharmacy, only to discover that the shop owner was a member of the legendary "villain" organization. Shopkeeper: We kill without blinking an eye Jieyou: Can I join you? Shopkeeper: We have a bad reputation Jieyou: Can I join you? Shopkeeper: We are the public enemy of all species Jieyou: Can I join you? Shopkeeper: ... Why is this kid so stubborn? But who would have thought that Jieyou would travel among major organizations and become notorious by virtue of the biological knowledge accumulated in modern times. Unintentionally glimpsed the secrets of seven continents and "villain" organizations in different eras. When the power to relieve worries is at its peak, the truth emerges one by one. His world began to fall apart, and he had to build a new vast world again...