Is Squid Games Based On A Book Novels & Stories

"Your wife becoming your sex slave, do you expect this to become permanent or is this a temporary thing?" "I doubt it will become permanent. She likes to read erotic books and I offered to allow her to experience the things she reads about in her books for three weeks to see if the reality was similar to her imagination." "What kinds of books?" "Reverse harem, women captured and sold as slaves, that kind of thing." "She's aroused by these?" "Yes, it's why I've offered her the experience."