Maya and Miko, with their polar bear friend, ventured under the shimmering auroras, eyes wide with curiosity. They stumbled upon a crystalline river, with fish that glowed like little lanterns. The trio watched, fascinated, as the fish leapt and danced on the river's melodic waves. Maya reached in, and a fish nuzzled her palm, its light pulsing warmly. They laughed, splashing gently, their hearts light as the aurora's flutter. With each laugh, the fish glowed brighter, revealing hidden messages in the water. What message did the river hold for them?