Saibai Megami! Risoukyou wo Shuufukushi Shiyou

"I am Norn, goddess of cultivation. I will take you to your ideal world!"

One day, Koji Mito, an office worker at a black company, receives a mysterious seed. He plants the seed and help it grow, and to his surprise, a green-haired girl named Norn sprouts from the plant! She claims to be a goddess of cultivation who came to save Koji's life. Norn uses her powers to create an "exciting and thrilling utopia" for Koji! However, when the two of them finally land in this utopia, they find themselves in a dangerous world where mysterious events, including a giant biological disaster, occur one after another…?

(Source: Comic GammaPlus, translated)