In a colorful village, lives a dog like no other, Blue, as bright blue as the summer sky. Every day he walks around, happily greeting the villagers. One day, near the old mill, Blue discover Benjou, a little mouse yellow like the rays of the sun at noon. After a shy encounter, a friendship quickly forms between the blue dog and the yellow mouse. Together, they explore the wonders of the village, sharing adventures and discoveries. During an exploration of the old mill, they find hidden treasures, strengthening their bond. The story of Blue and Benjou teaches that friendship transcends differences, uniting hearts in joy and mutual aid.