The girl was a transfer student, and she became roommates with the boy when she first came to school. The boy was an unruly school bully, but he fell in love with this introverted little girl.
The girl agreed to be together as soon as the boy was admitted to the same university, but the girl suddenly disappeared after the college entrance examination, leaving only a farewell letter.
Seven years later, the boy looked at the person he had longed for again.
Boy: You can only be mine, and you can never leave me in your life. I do not support returns.
Concept: youth campus romance