In one world mc was like a guy with a high rank then seme was a dragon trapped by the original bodys father or someone related. Mc of course set seme free and then the protagonist of that world was a dragon, and the female lead was still a child and the mc like made friends with the female lead and made her strong willed. Please send help
Is MC an emperor? ML is a black dragon whose blood is abused by priests to increase age and make you stay young?