My Master Is the Sea God

Raised by the Sea God Poseidon, Victor returns to Cereno to find his birth family and discovers he is an abandoned prince. When the Titans break their seal, the Abyss forces a marriage, and his senior brother Atlas tries to seize the Sea God's mark, Victor protects his family with divine power. Poseidon reveals the truth and is willing to tear out his own core to save his disciple.