C188 Mommy Said I'm Sleeping with Dad Tonight

Wen Wanwan knew that this was referring to her tie removing technique, but it was also the first time she had helped someone else untie their tie. She also knew that Qi Beichen was just teasing her, so she gave a slight smile, "It's due to Mr Qi's guidance."

All of a sudden, it was all to Qi Beichen. He was a smart person