Looking for a Princess Born in a Small World

Zhou Ling is a twelve-year-old boy who knows nothing and knows nothing. He has no father, no mother, and no one to rely on. He doesn't know the outside world, nor does he know that there are other humans like him besides himself. Until one day, a panicked little girl appeared in front of him. The little girl claimed to be a princess. The little princess let him know the outside world. Soon the little princess left. Before she left, she took him away. Zhou Ling made a promise: I will definitely find you and ask you to marry me.