Erol, the curious 4-year-old mermaid boy, dove deeper into the shimmering ocean than ever before. Amid the colorful coral and dancing fish, he stumbled upon a magical creature—a giant horse-like unicorn with a spiraling horn and graceful fins. Its pearlescent body glowed softly, and its eyes sparkled with warmth.

Erol approached cautiously, but the unicorn nuzzled him gently, as if inviting him to play. “Hello, new friend!” Erol exclaimed, his voice echoing underwater. He named the creature "Lumin."

The two swam through vibrant underwater meadows, weaving between coral arches and chasing playful schools of fish. Lumin’s fins moved with a rhythm that made Erol laugh, and its horn lit up whenever Erol clapped in delight.

As the sun’s rays filtered through the water, painting everything in golden hues, Erol realized he had never felt so happy. Lumin wasn’t just a magical creature; he was a companion who shared Erol’s love for adventure and wonder. Together, they vowed to explore the ocean’s…