He accidentally fell into a manhole and ended up transmigrating, landing in the world of "Beautiful Girl Grim Reaper, Give Me Back My H Soul"! Well, this is an anime packed with fanservice, more explicit than most adult anime, so transmigrating here doesn't seem like such a bad thing. But what the heck do you mean, you turned me into a cat? And now I have to win over the heroine and save the world? Is that even something a cat can do? How wild does your imagination have to be to come up with such a stupid idea? System, get out here! I'll beat you to a pulp!
First World: "Beautiful Girl Grim Reaper, Give Me Back My H Soul"; Second World: TBD
This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.