Ten years old is a dividing line. Before I was ten years old, my name was Ning Ning. I wandered around with my single mother. When I was four years old, I finally settled in a water town. Then I met An Chen, the mountain king who made himself king. He couldn't defeat me, so I became the second king. After I was ten years old, my name was An Ning. An Chen and I experienced the simple happiness before we lost each other. That piece of music in my memory became the only motivation for me to miss An Chen many years later. We want to hold all happiness tightly in our hands, but God is jealous and He will not allow us to get it so easily. So An Chen left, his whereabouts unknown. Our mutual parents got lost in the rain looking for him. I dreamed of An Chen countless times in my dreams. He said to me sadly, didn't you say you would always stay with me?