I Love You I'm Sorry

A girl once held his hand and said to him, "Xiaoqi, let's never let go of anyone's hand in this life, okay?" He nodded seriously and vigorously. At that moment, it seemed that the whole world was colorful. At that moment, he felt that he might love him for the longest time in his life, until one day the girl said to him, "I love you, I'm sorry..."