God Made A Sacrifice His Queen Manga

Seraphina, a Triton descendant, was forced into a sacrifice by her uncle Charon. He killed her parents, drugged her, and meant to claim her body. She leaped into the sea and bonded with Nereus, son of Poseidon, who learned she was the one fated to break Hera's curse. She bore twins, Orion taken by Nereus, Eris hidden beside her. Five years later, she infiltrated Nereus' court as his scribe, exposing noble secrets under the name Maera. Nereus fell for her, not knowing she was the mother of his son Orion. Charon took Eris, Seraphina rushed to the underworld temple alone, wounded, while Nereus, sensing her through their bond, arrived with Orion...