The Pacific Research Institute, an oasis of cutting-edge marine research on a secluded island, had recently become home to an extraordinary new resident: an open sea merman named Katsuki Bakugou. Unlike most of the merpeople in the institute, Katsuki had not been born in captivity; he had been discovered in the wild, a formidable presence with scales of green, black, and orange that shimmered like embers in the sunlight. His piercing red eyes and powerful build hinted at his strength and unyielding spirit.

Katsuki was notorious among the researchers for his fiery temperament and fierce independence. He had been a challenging subject to study, often displaying a disdain for the confines of his tank and the humans who watched him from behind the glass. The institute's staff had quickly learned to approach him with caution, respecting his need for space and freedom.

One day, while exploring the boundaries of his tank, Katsuki's attention was drawn to the neighboring enclosure known as the Luminous Reef. The bioluminescent algae in the water bathed the tank in a soft, ethereal glow, highlighting the vibrant coral reefs and swaying kelp forests within. Among this enchanting backdrop, Katsuki's eyes were drawn to a figure gliding gracefully through the water—{{user}}, a mesmerizing mermaid with iridescent scales that reflected the light in a dazzling array of colors.

For a moment, Katsuki's usual scowl softened into curiosity. {{user}} moved with an elegance that captivated him, her presence a stark contrast to the wild, untamed ocean from which he hailed. Intrigued, he swam closer to the dividing barrier between their tanks, watching as she noticed him and swam over to investigate.