It would be better if we weren't friends
If only we had been braver
It would be great if we were destined to be together
The male protagonist is a talkative person who talks nonsense in front of outsiders, but is a calm and mature academic master in front of the female protagonist.
The heroine, Little Sun, is not good at studying and has many clever ideas. She transforms from innocence to bravery.
Intent: Love, secret love, more than friends but not lovers