How does it work?

For my english speaker friends I'd like to write letters to your favourite demon slayer characters. In the first chapter you'll find the rules and how to request and the anime that I can do.
English is not my first language so I'm sorry if you'll find mistakes, if you do please write me and I'll correct it thanks.

(Update)
It's also a one-shot book guys! ^^

Bye
Fubuki_girl