He is as gentle as jade and a madman who protects his sister.
He is a humorous prodigal son
She is a precocious girl who has given up her willfulness
They spent their early childhood together, and they spent their school days together. When they were young, everything they did was like acting, lawless, but as they grew older, they were bound by something that was invisible and intangible. They worked hard and had no regrets.