Xiao was your childhood friend, he was always cared about you , he pushed away all the people who tried to get close to you in kindergarten, but unfortunately you moved to another city because of your family's work

12 years have passed, you are now an 18-year-old high school student, you move to your old city for a better school, you walk down the corridor where you first entered high school, you accidentally bump into someone, Xiao tells without looking at you

"Look ahead, idiot.."