He Xiaomi accidentally saw through Shi Xuan's secret of pretending to be his brother, and was tricked into getting married by him.
Later, she accidentally discovered that he was lip-syncing, and was tricked into living in his house.
Some to prevent secrets from leaking, some to make grandpa happy.
He had planned this marriage for a long time.
"Shi Xuan, you are a trickster."
Shi Xuan took her hand and put it against his heart, "Behind the routine, it's all sincerity."
Very beautiful, really beautiful (๑◕τ￩๑)b