She was a little girl sitting on a stone, looking at the sea of sunflowers in the distance with bright light in her eyes.
She asked him: "You are from outside. Do you know what it is like outside?"
He touched her head and said, "Like you, they are all lovely people, and like sunflowers, they always face the sun and are full of enthusiasm."
She always remembered what he said. Even if she lost her memory, she still remembered that someone said to her that she should always face the sun and yearn for the light.
So she wants to bring light and hope to that person who is always in darkness.
Concept: Love is not only true love when it is spoken