C27 Redemption!
Lu Qianyu was probably Xu Qingyi's benefactor, and he was very good friends with her brother, Xu Qingzheng.
Not long before he saved Xu Qingyi, Xu Qingzheng had just recovered his memory and was looking for his mother and sister.
A few days after Lu Qianyu went to the hospital to take care of Xu Qingyi, he asked Xu Qingzheng to take care of her because he had something on his mind