Wu Ai was an orphan from Cixin Orphanage and was adopted by Ming Qinghuan's sister Ming Qingyu when she was eight years old;
Ming Qinghuan is ten years older than Wu Ai. He is a university chemistry teacher and does not like to get close to others;
Wu Ai and Ming Qinghuan grew up together, and Wu Ai's liveliness and enthusiasm gradually infected Ming Qinghuan. As the bond between the two deepened, Ming Qinghuan gradually discovered that Wu Ai seemed to have many unknown stories hidden in him, and all of them seemed to be related to his sister Ming Qingyu.
Emotionally, Wu Ai leads Ming Qinghuan, and in terms of growth, Ming Qinghuan helps Wu Ai establish a better world view.
Intention: The world will always be gray, but there will always be light in the heart