You and Jimin met,when you were 3 years old and Jimin was 5,in a very Cold day.You moved away leaving Jimin by himself.He refused to fall in love until you came back.You came back completely changed and you two reunited.
Whenever he go, Jimin was always the new kid. He never finished a year in the same school and he ever managed to make friends. That's why he stopped looking for them and got something better - one night partners. But everything changed when he met that boy at the stone fence and his roommate who loved to break the rules.