She is gentle and slow-warming, while he is passionate and straightforward.
He learned to say her name, and she secretly felt her heart move for him.
A cup of coffee, a time lag, an unexpected encounter.
This year, there was light in the store, and the boy had dreams, but in her heart, a little sun quietly lived in her heart.
(The male protagonist is an American, and the relationship is between sister and brother)
Purpose: Warmth and tolerance for each other