The male protagonist Leng something and the female protagonist Xuan would usually appear in some online novels. But I don't know which novels are like this, so I can't give a specific answer.
I'm not sure which novel you're referring to because of the lack of relevant context. Please provide more details or background information so that I can better answer your questions.
The novel " The Love of a Rich Family's Young Master Gu and His Special Spoiling Wife " is a modern romance novel written by the author, Yuan Yisheng Ran....
"After the engagement was broken off, Big Boss Became the Top of the Entertainment Industry" is a modern romance novel written by the author Yan Luo. The general plot of...
"The Rebirth of the Super Broker" is a modern romance novel written by the author Jiang Yao. The general plot of this novel is: Before her rebirth, she was a...
There was a novel where the female lead was called Tong something and the male lead was called Chu something. The name of this novel might be called " The...
I can't provide any information about Xin something and Shangguan something. The names of these two characters were not common, and there were no related plots or story clues. As...