The first time they met, they formed a grudge over a small cigarette; the second time they met, they formed a bigger feud over a long banner. He is a school idol, but he has a two-sided personality.
When they met again, she was humiliated in front of him and was taken away by the dean; when they met again, she fell to her feet in front of him but found out that he was her teacher. He is a trainee teacher, but he is also her childhood sweetheart.
For a girl who has no memory of her childhood, who is the figure in her fragmentary memory? What kind of encounter was that?