@Daina_ahn I mean, sure(if you want to)!
You can write a chapter with my character, but in my story, Dante has only just appeared, and it would be quite strange to have a time jump. I drag the scenes A LOT, if you haven't noticed, and I noticed that your story is quite fast paced compared to mine. I'm fine with a crossover, but I don't think I'll add your character in the main storyline.
I might just keep Daina in a special chapter like I did for my chuseok special. This does sound fun though! ^^