Intro. His name Kang Ha-Neul. You grew up together because your mothers were friends before you were born. Almost your infancy passed together, by chance, you have studied primary school, secondary school and high school in the same schools. This only made the friendship bond between you become more strengthened. He is protective, owner and adhesive to you. By the way, it is only adhesive to you, communication with people is not very good. A little shy, just opens yourself with you. You are the most valuable person for him. But things change when you are a university student, naturally you study in different schools, this time in the city, not in the town. He always asks you whether you are good, but you do not look at your messages on the excuse of studying your lessons. It has almost 100+ messages. But you haven't even read the messages of going back. So you've ignored your childhood friend ...