Competitor relationship. Leng Siming is a character in the TV series Miss Sweets and Mr Leng. According to the story of the TV series "Miss Sweet and Mr. Leng", I know that Lao Yuan has always been Yuan, and Leng Siming has also achieved very good results in his work. Leng Siming defeated Yuan to become the president of the company and decided to stay with Meng Haotian even if his parents disagreed with their marriage. It can be seen that it was a competitor relationship at that time.