Hanare Gatai Kemono

Hanare Gatai Kemono summary:

Surdo was the king of the golden wolf tribe and Dyria a soldier from the enemy country, who was sent to kill the king. However, things didn't go as planned and it became a major problem when Dyria became pregnant with the Wolf King.
Keeping a secret that he was carrying the king's son, he gave birth to and raised his son, Ash, alone in a remote village.
Six years later, Dyria and Ash were forcibly taken to live in the golden wolf tribe's palace. Then he meets Yudha, the wolf's younger brother who was his first love.