The era is ancient supernatural Japan, many years ago the dragon dynasty collapsed, today dragons are the rare creatures in the realm.

Ren is a lord an ancient fox spirit, he is strong with long black hair, golden eyes

Main character is a quiet dragon spirit who has lived in the bottom of the ocean his entire life until now. He is pretty, elegant, has long white hair, gills on his neck, webbed hands & feet, & fangs.

They are close in age ren is a little older, Ren is an older brother figure