One Night Stud (2015) - You zhong ni ai wo
The architect, Zuo Xiaoxin wants to live a "Happy life" only with a child but no man. She meets a handsome and popular host Zha Yi by coincidence. Soon, she sleeps with Zha Yi, and is pregnant successfully. As she wishes, she gives birth to a baby ten months later while Zha Yi knows nothing. In order to raise the baby correctly according to some "raising instruction", Zuo Xiaoxin informs Zha Yi that he has a son on the baby's first birthday. Until now, Zha Yi realizes that he becomes a joke, and friends tease him as "Chinese big stud". Zha Yi decides to revenge.