

Aesher, son of the Sea God, devotes himself to mastering hydrokinesis. Before coming ashore, he journeys to the Gilded Royal City in search of his mother. After rescuing his younger sister, the princess, he enters the palace with her. His royal brother mistakes him for an ordinary man with no divine powers, while even his own mother dares not acknowledge him amid the kingdom’s wartime crisis. When an undead army launches a massive invasion, everyone’s water magic proves useless. Aesher’s spectacular abilities amaze the entire court, yet his brother Ide remains consumed by jealousy. The undead witch secretly manipulates Ide, abducts the queen and other members of the royal family, and lays a deadly trap. At the critical moment, Aesher awakens the power of his sea-god bloodline. Poseidon, his father, crosses countless dangers to reach him. United by the strength of family, they slay the Lich King, pacify the ancient evil spirits, and restore peace to the royal city. In the end, the family is finally reunited.

A deadly shipwreck. One glance, and mermaid Serena falls for Marcus, bleeding herself dry to save him. But he chooses her scheming stepsister instead. Heartbroken, Serena becomes the Sea Emperor Julian's bride. When Marcus finally learns the truth, regret drives him into the sea—but Serena has already found her true love.

The apocalypse has come, and humanity enters the Age of Sailing, where everyone awakens a fishing system. Liam Ward becomes known as a useless nobody, even by his girlfriend Quinn Johnson. He spends a month at sea catching fish just to buy her a gift—only to discover she is cheating on him with a wealthy heir, Devin Shaw. Humiliated and heartbroken, he quits the relationship. But during a voyage, he hauls up a thousand-year-old female corpse… who wakes and calls him her honey.

Queen Nephele, a former fisherwoman, suffers neglect as King Athamas indulges his mistress Ino. On her eighth birthday, Princess Helle is abandoned on a leaking boat by her father. She perishes in the freezing sea, crying for help. Devastated by grief, Nephele transforms into an avenger, exposing her husband's cruelty and hypocrisy before their daughter's memorial portrait. Athamas collapses in remorse and leaps into the sea. Clutching Helle's shell necklace, Nephele walks away alone—her love for her daughter now hardened into eternal farewell.

Newly appointed Sea God Arthur returns to the Merfolk Kingdom that abandoned him eighteen years ago to bless its new king and find his birth parents. After rescuing Princess Elena from a sea monster, he learns that tailless mermen are believed to bring disaster. Queen Seraphina recognizes him as her son but cannot acknowledge him. When Marcos launches an arena battle for the throne, Elena is gravely wounded. Seraphina's tears form a mermaid tear crystal, revealing Arthur's true parentage. To save his mother, Arthur can no longer hide his power.