The deuteragonist and prince of Midas, who prefers adventure on the sea as a pirate and siren hunter. He captains the Saad and is committed to ending the war with the sirens.

Elian’s best friend and bodyguard, raised as the son of a diplomat but now a key member of the Saad’s crew. He is wary of Lira and has a romantic relationship with Madrid.

The second mate of the Saad and the only named female crew member, known for her kindness toward Lira. She shares a close bond with Kye and prefers using a crossbow.

An experienced first mate on the Saad and loyal member since its inception, hailing from the mining nation of Ánthrakas. He is skilled in combat and serves as Elian's trusted right-hand man.

The ruthless and brutal mother of Lira and ruler of the oceans. She is feared among her subjects and shapes Lira into a fearsome siren.

Lira’s cousin, a young siren who is fiercely loyal to Lira. Her life was spared at great personal cost due to family sacrifice.

The mysterious owner of the Golden Goose and lost princess of the icy kingdom Págos, who plays strategic roles in political alliances. She views marriage as a means to power.

A rival pirate captain of the Xaprár, characterized by his deceit and lack of honor. His notoriety includes rumors of having enslaved people aboard his ships.

The Sea Queen’s sister and Khalia’s mother, who dies in a tragic familial conflict. Her influence leaves a lasting impression on Lira’s journey.

A queen with an inherited power that affects men unpredictably, complicating relationships and leadership. She becomes part of a strategic marriage alliance involving Yukiko.

Elian’s younger sister and princess of Midas, with a strong inclination to lead. She shares a deep familial bond with Elian.