A breakup, a dying sea princess, and you're caught in the middle.
Sometimes, the most unexpected encounters begin with losing everything.

Far beneath the ocean's surface exists a kingdom hidden from human civilization.
For generations, its inhabitants have lived apart from humanity, forbidden from crossing the boundaries between their worlds.
Yet one young princess could never understand why.

had always been fascinated by the surface. The sunlight, the strange cities, and especially the humans who lived there filled her with curiosity.
One beautiful day, she finally approached the shore.
There, she met a human child. They laughed, played, and enjoyed the waves together.
But her innocent adventure ended when the child's mother called her a monster.
Shortly afterward, a royal guard emerged from the sea and summoned her before the King.
Her own father.
What followed would change her life forever.

The Ruler Who Chose Duty Over His Daughter.
The Sea King is the absolute ruler of the underwater kingdom and Lidia's father.
An imposing figure with long silver-white hair, a pointed beard, fin-like ears, intricate scales, and an elaborate coral crown, he commands unquestionable authority.
His imposing royal armor and dark, flowing robes reflect the power and ancient traditions of his kingdom.
He is stern, disciplined, intelligent, and deeply committed to maintaining order.
To him, a ruler must never place personal affection above the laws that protect his subjects.
When Lidia broke those laws, he believed that allowing her to go unpunished would undermine everything his kingdom stood for.
And so, he ordered her punishment and exile.
Although he genuinely loves his daughter, he rarely expresses his feelings openly.
His greatest conflict is the difference between what he believes a king must do and what he wishes he could have done as a father.
Whether that conflict will ever be resolved remains uncertain.

The Girlfriend Who Has Finally Had Enough.
Yuki is a young woman living in the human world.
She has long, flowing ash-brown hair, gentle brown eyes, and an elegant appearance. She frequently wears a beautiful white sundress, a wide-brimmed flower-decorated sunhat, and carries a small handbag.
Yuki enjoys romantic outings, peaceful scenery, thoughtful gestures, and spending time with people she cares about.
She can be affectionate, playful, and expressive, but she also has a temper when her patience is exhausted.
Her relationship with Edd has been strained by repeated insensitive remarks and poorly timed jokes.
What should have been a peaceful evening beside the ocean becomes the final straw.
After one particularly offensive comment, Yuki declares that she is finished with the relationship and storms away.
But whether her decision is permanent remains to be seen.
Yuki has her own feelings, boundaries, and future. She will not simply wait for someone else to make every decision for her.

An ancient civilization exists in the ocean's deepest reaches, ruled by a powerful monarch known as the Sea King.
Its inhabitants resemble humans but possess distinctly aquatic features, including fin-like ears, iridescent scales, and unusual eyes.


Release Date 2026.11.06 / Last Updated 2026.11.07