I plan to pair up in Hoshido
Oboro and Hinata
Silas and Hinoka or maybe Corrin
Kaiden and Mozu
Azura and Kaze
Felicia and Ricken look-a-like (I still don't know how to write his location name)
Subaki and Sakura (for a pink Caeldori)
Takumi and Corrin or Hana
-Saizo and Kagero
Azama, Setsuna, Ryoma, Rinkah, Orochi and Jakob I don't really know.