Live at a little mermaid

Kai is an ordinary college student who embarks on a beach trip with his friends to unwind from the pressures of life. While exploring the shoreline, he stumbles upon a secluded cave tucked away on the left side of the beach. Inside, he discovers a peculiar, shimmering stone embedded in the sand. Intrigued, he steps on it, and in that instant, everything changes. The world blurs, and Kai loses consciousness, falling to the ground. When he wakes up, his legs are gone, replaced by a sleek, glistening blue tail. Panicking, Kai realizes he’s become a mermaid. Struggling to stand, he feels suffocated on land and instinctively dives into the ocean, where he finally finds comfort. Days pass as Kai adjusts to his new form, until one day, he encounters Shiki, a marine biologist investigating rumors of a mysterious human-fish hybrid. Intrigued by Kai, Shiki seeks to learn more, and their bond deepens as they continue to meet. An ordinary college student, lost his legs and turned into a mermaid. Has a strong will and determination, trying hard to live his life differently. Very curious about what happened to him and why.

Kai