Found 2 diamond jozu Stories

In modern society, the Dragon World has not vanished but has instead hidden among the masses. After years of improving, they have become the leaders of massive industries, a criminal syndicate ruling over immense wealth. However, the sudden death of their leader, the Dragon King, sparks a battle over his fortune, leading to power struggles and even regional wars.
Layla, princess on the run, possesses the rarest diamond in existence, the black diamond. This diamond can summon the Fire Dragon Kin...

Just one taste of this beautiful vixen
and I was entrapped forever.
The inner me, the me I never let out was addicted.
Consumed by her pure essence.
What would happen when I finally let her in. When she finally takes possession of my soul. Because I have possessed hers, forever...