A lovely girl and a melancholy and precocious boy next door, they spent their innocent childhood together with each other. Under the twinkling stars, she said, "You have to grow up quickly so you can protect me." Under the bright moonlight, the girl's eyes looked more sincere, like an angel in the sky telling a promise. After ten years of separation, would there be any flutter when he passed by her? The sky of fate allows young lives to go through a life journey, whether they are separated or reunited, it is all due to love.