MTL - Return of the Goddess - Chapter 21

Nessa was transported into a new and completely unfamiliar world where monsters roamed free and survival of the fittest was the supreme rule for the majority of them. In this world, which was beautiful yet dark and cruel, she was given an opportunity.An opportunity to build her own nation after becoming the leader of a few peculiar monsters.Will she be able to overcome those who oppose her, threaten what she is creating, and demonstrate her power to the world in order to achieve peace and acceptance, or will her efforts in this world be futile?[System notifies]Come join Nessa and a few kind souls on their journey to create a nation where monsters, humans, and other creatures can coexist and live happily.

"When will people understand.... I'm only half insane?"

Ryu Han-bin, the main character who fell into a new world after being chosen as a ‘suitable person’.

Because of the error in the guidelines, the training is repeated endlessly…

Lu Chengye’s dream was to live freely and have fun until he died. Unfortunately, he inherited a company and was worked to the bone!

After finally taking over the company, he had just prepared to begin his carefree life when he was hit by a car and died. His last thoughts were that it would be much better not to be human in the next life.

And so, Lu Chengye was reborn as a Labrador.

- Description from Novelupdates