Breathless

Aiko Uchiumi has always lived between two worlds: the academic pursuit of marine biology and her ancestral calling of the sea. As a college student, she dreams of exploring the coral reefs she loves and following in her grandmother's footsteps as a legendary Ama freediver. But her quiet life shatters when her best friend gives her a seemingly innocent gift, one that hides a cryptographic key worth billions of dollars.

What's the catch? The fortune is trapped in a safe hidden deep inside a rusting shipwreck at the bottom of the ocean.
Now, ruthless treasure hunters, hackers, and mercenaries are converging on Aiko, intent on seizing the code at any cost. As she races to the wreck before they do, she faces one terrifying question: Who can she trust?

As she plunges deeper into a world of secrets and betrayal, where the ocean itself is as dangerous as those willing to kill for its sunken fortunes, Aiko discovers that some treasures are worth more than money, and some secrets are better left at the bottom of the sea.

An adventure so deep, it will leave you Breathless!