She likes him.
She handed him a love letter in public, but he disdained it.
By chance, she moved into his house.
He slowly developed a crush on her, but refused to recognize her.
She still loved him as always, until he told her: "Go find someone who loves you!"
He was getting married, but the bride was not her, so she decided to let go and go away.
When he repented, she had already left her hometown.
So he began to wait... And repented while waiting.
Three years later, she finally came back. He was no longer sure whether she still belonged to him...
Intention: