In order to maintain his rule, Xin Sheng, the eternal demon king who ruled the world, went deep into the demon realm to find the highest and strongest power. Thousands of years later, he has become stronger and younger, and the world has also changed... (Source: Bilibili Comics)

Den made a promise to his mother on her deathbed that he would find a respectable job. And he almost kept that promise… until truck-kun sent him to a new world. Den is reborn as one of the most powerful magic users and is next in line to be chief of the fearsome Crow Tribe. But Den intends to keep his promise and runs off to the capital to become a civil servant. With a cast of colorful roommates, a family hunting him down, and a shadowy plot to overthrow the empire, can Den actually achieve his simple life goal? (Source: Tapas)

The protagonist Chang Zaikun has been able to see terrifying "weird" creatures ever since he was a child, but he was never afraid, rather deeply attracted by the creatures and fell in love with them from the bottom of his heart. One day in high school, he accidentally met a weird administrator and received an invitation: to manage a "prison" inhabited by the creatures, and to find those who were lost in the world! (Source: Bilibili, translated)