This is pretty similar to the crossover with X-Men. Somehow they meet.
YOU ARE READING
FanFiction Prompts/Challenges/Ideas
RandomIdeas for fanfiction with some crossovers that have been on my mind and it will drive me crazy if I don't write down anything about it.
Nurarihyon No Mago and Katekyo Hitman Reborn!
This is pretty similar to the crossover with X-Men. Somehow they meet.