Li Ji relied on his remaining reason to recall the seven years he and Zhao Xiaotang had spent... "You will not be replaced by anyone."
Zhao Xiaotang and Li Ji met in high school. They brought a lot and took away a lot in seven years. It took Li Ji seven years to transform his unruly nature into gentleness, and he gave all his gentleness to this girl who was slowly drifting away from him. He spent his life refuting Zhao Xiaotang's views on feelings...
The ending is not happy.
Intent: The regrets and good times of the student days are made up for and remembered.