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It is Korean, isn't it? It's called the upper body of a happy man. It was played by Che Taixian.

The main character of the film is Xiang Man, who feels lonely after losing his job and tries to end his lonely and depressed life by committing suicide. As a result, I tried to commit suicide, but I gained a super ability to see ghosts. The four ghosts took the opportunity to take possession of themselves and tried to fulfill their unfinished wishes with their plump bodies. They are Abnormal Uncle, Smoker, Waterfall Tears and Gourmet Boy. Four idiots stuck to Xiangman like leeches and refused to leave, leaving the poor man at a loss and having to live meaningless. However, in the process of helping the four ghosts realize their wishes, Xiangman's life has also turned a new page. ...

At the end of the film, the protagonist gradually recalls that these four ghosts are not others, but their relatives after the heroine said, "Why is the water celery in the seaweed bag?" They were killed in a car accident ... although it seems that he has been lonely, his relatives have been with him and never left.