Koyuki x Akaza part 1; Muzan

If you intend of reading Directions of Love, do not read this book, it contains spoilers!
Also, if you haven't read Directions of Love, it is technically the first book, so it's best if you do.

Now that everything is said...WELCOME TO ANOTHER CLANS BOOK! In this book, there will be quick stories of ships I haven't been able to cover in the first book. We currently have...
Koyuji/Koyaka (what is Koyuki x Akaza ship name?)
Sanekana
Inaoi
Tankana
Obamitsu
I will take ship recommendations.