Prepare for the afterlife! A strange spam text message I received right before my death. When I realized I was dead, I opened my eyes and it was a possession examination station. Is there really an afterlife? Will you be possessed by a book? “Do you have a particular genre you like?” I, who mastered all genres with virtue in my previous life. In the next life, I hoped for a child-rearing product that would become a cute, dainty girl and occupy infinite love. The book I will be possessed of is - Survival Difficulty S-class, an infinite regression full of scary plot <Return Until Save the World>. The character to be possessed there is--