郑天得了一种名为“痛笑症”的怪病——表情、心情和说的话总是不配套。没买上缓解药的他越来越倒霉，开始陷入无意中捡来的一本日记的魔咒...

Zheng Tian contracted a weird disease called ‘pain smile’--His expression, mood and words don't match one another. Because he didn't get a medicine to alleviate the symptoms, he was haunted by bad luck more and more often. Actually, he was under the spell of a curse in a diary he stumbled upon...