"Brother, what's wrong with you? Why are you crying?" The little girl ran to the boy squatting on the ground, wiped the tears from the corners of the boy's eyes with her sleeves, and asked him in a soft and waxy voice. The boy raised his head and watched the girl who was younger than him awkwardly wiping her tears and replied to her: "My brother is crying because he is sad because he has no home." The little girl looked at him and frowned, as if trying to understand what he meant. After thinking for a while, the little girl asked him again, "How can I not be sad?" "Maybe if you hug me, I won't be sad," the boy said smoothly. The little girl blinked and replied to him, "Wouldn't you feel sad if you hug your brother?" "Maybe." The little girl smiled brightly, her dark eyes shining, "That's okay," and she hugged him. The boy felt her hug, and miraculously, he seemed to feel better and not so sad...
Concept: An irreplaceable moment is the beginning of their encounter