Luka was a cheerful little boy with a wild imagination. As he wandered through the fields, he often dreamed of finding a friend who would join him on countless adventures.

Luka stopped in his tracks, mesmerized by the sight. Out of the light emerged Zeki, a friendly alien with big eyes and colorful, stretchy arms. "Hello, Luka! My name is Zeki," the alien said, his voice like a gentle melody in the wind. "Wow! You look amazing! Why can only I see you?" asked Luka, his eyes wide with wonder. "Because your heart is open to the wonders of the world," replied Zeki with a twinkle in his eyes.

Luka and Zeki raced across the meadow, their imaginations taking flight. They built castles in the sand, climbed imaginary mountains, and danced among the flowers. "This is the best day ever!" exclaimed Luka, his heart brimming with joy. "I'm glad we're friends, Luka," said Zeki, his colorful arms swirling in delight.

Zeki looked at Luka thoughtfully. "Luka, one day you might not see me anymore. But remember, I'll always be in your heart," he said softly. Luka nodded, understanding the weight of his friend's words. "I'll never forget you, Zeki. You are my first true friend," he promised.

Luka embraced Zeki tightly, feeling a warm glow in his heart. "Thank you for everything, Zeki," he whispered. "I'll always be with you, Luka. Our friendship is forever," replied Zeki, his light shining brightly before slowly fading away.

As Luka drifted off to sleep, he felt the tiny glow of Zeki's presence in his heart, a reminder of their magical adventures and unbreakable bond. "Goodnight, Zeki. I'll always love you," he whispered into the night, knowing that his friend was listening. And somewhere in another world, Zeki whispered back, "Goodnight, Luka. You'll always be my friend."