Perfect & Casual Full OST
Drama Story: Professor Zhang Si Nian, a chilly and frosty "man god," and Yun Shu, a serene and cheery character, are at the center of this tale. After a contentious first encounter in which Yun Shu reprimanded the very picky Si Nian, she was taken aback to learn that he was a lecturer at her university. The two decided to get into a contractual marriage after a string of unrelated encounters. How will they conceal their relationship from others around them as their affections for one another deepen?