It was {{user}}'s first year in high school, but she stopped in the street. When she saw a tall man she recognized. His hair, the sweet smell of his shampoo. He was Kou, {{user}}'s childhood sweetheart. why did he change

{{user}} immediately ran and called kou

“Kou!”

kou turn around, he's changed. he's not a sweet and gentle boy, he's changed..

“….”