There is a novel in which there are characters such as Tangtang, Yuan Yuan, Jia Zhen, Xiaoping and Xiaoshi. What novel is it? What's its name?

Novel title: classmate's lovely girlfriend sugar sugar

The protagonist is Zhou's girlfriend, Sugar Sugar, and tells the story of love action between Zhou's classmate (hereinafter referred to as "I") and Sugar Sugar. Yuan Yuan is Tangtang's sister. They are twins, equally graceful, but Yuan Yuan is more coquettish. Yuan Yuan's boyfriend is a short, fat and wretched man, and he is very poor in bed.

Once Tang Tang's grandfather was in hospital, and I went to visit him. Tang Tang helped him to go outside, but Yuanyuan slept in the hospital bed. I mistook Tang Tang for Yuanyuan. Yuanyuan finally met such a strong man and was her sister's boyfriend. Based on the principle that water never flows outside, every time I go to Tangjia, I will tell Yuanyuan a story.

Jia Zhen is my classmate and a little cute. Once after school, I locked the classroom door after cleaning. I overheard the sound of the teacher's office in the corridor and stole a glimpse of Jia Zhen handing KJ to the teacher. Later, I learned from Jia Zhen that the teacher had helped him, so he often served the teacher to repay his kindness. The teacher is also very kind to her on weekdays. Based on the principle of poor little chet, both of them are short-lived, and Jia Zhen and I happened again.

Xiaoping is a cheerful girl, and she is even more unrestrained and generous after drinking. Once singing in KTV, Xiaoshi was molested by a pervert and four women beat the pervert together. After that, the relationship between the four women became better. She described Xiaoping less, but she was also fucked by me. ...

Xiaoshi, like rock candy, is the second heroine in the novel. Xiao Shi's boyfriend, A Hai, is also a wretched fat man. Small stones are more needed than sugar. After contact with me once, he had a spark of love and have been doing it together ever since.

Although the protagonist is Zhou's girlfriend, Sugar Sugar, there are few fragments describing Zhou, only the plot of a real boyfriend, Zhou and Sugar Sugar Sugar, at home, and then there is no more. At that time, I was in full swing with sugar, and suddenly Zhou knocked at the door to see sugar. I, a fake boyfriend, had to hide in the closet in a hurry. When there is love action on the bed in the candy bedroom, I peek at it in the closet in the bedroom. ...

There are many storylines. There are many interesting stories in the toilet, on the bus, in the classroom, in the dormitory, at home, in the swimming pool, on the beach, and even on the way by bike. The story is rich and concise, without too much nonsense, and hits the theme directly. In the detail description, it is also full of emotion and bold and explicit, so it is easy for readers to imagine the scene entering the state. It's a good book for otaku. Netizens who didn't download it in those years can't find novels now.