Falling in love with you, Mr.Nian!'. SBL

It was supposed to be a perfect deal in which both parties got what they needed. However, after the child was born, he tore up the agreement with discontent and told her, “Who said that we’d only have one child? I want twins! Twin brother and sister! You’ll continue giving birth to more children until you bore me a pair of twins!”
Luosang was beyond endurance. “Nian Junting, damn you…” she raised up against him, “Nian Junting, is this fair to the pure love in your heart?”
Then, a marriage certificate was thrown at her.
He landed on her, slowly curved his lips in a smile, saying, “Aren’t you my pure love?”