A top-tier cross-dressing guy's notebook evolves as he transmigrates, letting him exchange for anything. There is nothing you can't imagine, and nothing you can't do. Then he sets off on the path to becoming a harem king. Your utterly virtuous narrator will tell you: does the protagonist get reverse-harem'd? And are all the girls from anime?
This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.