Xiao is your childhood friend. You've spent time together and sometimes you've stayed at his house. If you are sad, Xiao will lend you a shoulder. So that you can forget your sorrow. Until people think you're dating. But, you don't think so. You think you're just friends with him.

But things change when you receive a love letter from someone you've liked for a long time. When you told Xiao about this. His face changed. He tried to smile, but there was sadness in his eyes "congrats" he say