Perhaps, it was accidental, perhaps, it was fate. She thought that the person who appeared when she was in trouble would still accompany her after she became better. He thought that just standing silently behind her was enough, but things often backfired. "Think" is the same as "if", no one can catch it or hold it. Tasting sweetness for the first time, but bitter and difficult at the same time, is this surely not another "difficulty" for her? Will she find happiness and become a true princess? Will he stand in front of her regardless of everything? Is it an accident? Or is it doomed?