Xia Yinan’s hobby is to lurk in a psychiatric hospital pretending to be a patient. Every time he opens a door, he can travel to different worlds, where: – In a post-apocalyptic world where everyone possesses supernatural abilities, he comes face-to-face with the undead – In a joyful (yet explosion-prone) interstellar colony he creates a…

I decided to enjoy my second life with the new world. My retirement life ended with me being kidnapped to another world, but that world was a world where the existence of the previously unheard of and unseen being called the Hwanju coexisted.