Carefree means not being dedicated.

When no one wants Zhang Wansen, then I will become Tong Jincheng. What he means is to be a carefree and unfocused person. Tong Jincheng, nicknamed Jiangnan's most affectionate person, has a lot of thoughts and is not single-minded. Such a person is not suitable to be with.

Zhang Wansen is the leading actor in the story of Twinkle Twinkle Star. In the drama Twinkle Twinkle Twinkle Star, Zhang Wansen likes Lin Beixing, but he has never confessed his love. His love when he was young is very beautiful, which can be called the ceiling of the crush world. Everyone wants to have a Zhang Wansen, so that he can see his deep affection.