Ruan Ning and Pei Yi, who have known each other since they wore crotchless pants, were promoted to the city's key high schools together and became classmates. As a double academic leader who always occupied the top two in the grade list, Ruan Ning was favored by her family and the entire community since she was a child. However, Pei Yi gave all his preferences to her alone, accompanying her to slowly get out of the small psychological shadow left by accident when she was young. In the familiar campus daily life, he healed all unhappiness with the gentleness of the flowing water.
