A Contract Marriage: CEO Gu's Heart-Stealing Sweetheart

They marry under an agreement. The heroine, Su Tang, is a high school teacher, while the hero, Gu Xiao, is CEO of the Gu Group. Their grandmothers were best friends and arranged the marriage, since both families had only sons and pinned their hopes on the next generation. At first, the couple are merely roommates, treating each other with polite respect. They have no feelings for each other, even when they share a bed. Later, Gu Xiao is drugged by a business rival, and Su Tang comes to his rescue. As they spend more time together, they fall in love.