Midsummer love story

Zheng Lingxi had a one-night stand with Zhuang Jingchen in order to have a child through seeds, and thought that the two would never see each other again, but he didn't expect Zhuang Jingchen to parachute into Zheng Lingxi's top boss. By chance, Zhuang Jingchen found out that Zheng Lingxi was pregnant, and they contracted to marry each other with the idea of using each other, but they secretly fell in love with each other day after day.