In this complicated world, there is such a special pair of siblings. She is not related to him by blood, there is a ten year age difference between them. When she was nine years old, luck favored her and she was adopted by Yan's father. At that moment, she seemed to have entered a whole new world. She had her own name for the first time, truly felt the existence of home for the first time, and had a father for the first time. Her mother was also in this home. For the first time, she experienced the warmth of home and felt the warmth and peace of mind of her parents being by her side. That year, she had just turned nine. It was an important turning point in her life, a new starting point full of love and hope. Their story is the most beautiful interpretation of family affection and the persistent pursuit of warmth and love. Let us enter their world together and feel this unique and precious emotional bond.