Crossing Dimensions

Write a story where a character from a realistic show enters the universe of their favorite anime.

Many anime-watchers fantasize about what life would be like in their favorite anime worlds. With this prompt, you can allow a character from a non-anime series to enter their beloved anime and see how their personality and lifestyle interact with the new universe. What challenges will they face in adjusting to this new reality? How do they interact with their favorite anime characters and how do they manage to return back to their original world?