Every Time I Travel to Another World, I See My Favorite Character Die (Anime Crossover)

By a twist of fate, an old ghost who had lived for who knows how long gained the ability to transmigrate through time and space and take on a physical form in the worlds he visited. So he let loose. What a great chance to get to know his beloved idols! Those years spent lurking and watching weren't wasted! I have lots of idols, but I can transmigrate fast! I can meet them all one by one before I reincarnate!!

Reader's Note

1. 1v1, pairing undecided

2. Extreme content

3. A super indulgent Mary Sue story, at any cost #