This is a medium-length story with the main theme of sadomasochism and tragedy. The name of the story is called Xia Zhiyu Sadomasochism, and the location is in China. The male protagonist is Liu Feiyu, the female protagonist is Xia Keke, the second male villain is Long Huosheng, and the second female protagonist is Zhang Lili. The male protagonist is a poor academic, and is a college classmate with the rich girl Zhang Lili, studying at the First University of China. Xia Ke was the hero's childhood playmate. The two lost contact for more than ten years due to the earthquake. The second male lead is a second-generation rich man who likes the female protagonist (pathological obsession) and likes to make things difficult for the male protagonist. The second female lead helps the male protagonist save the day from danger many times. The male protagonist met the female protagonist when he graduated from college. Because of a raindrop-shaped jade pendant (one each for the male protagonist and the female protagonist from a street stall), the two recognized each other and began to fall in love. The male protagonist was forced to marry the second female protagonist and gave birth to a pair of children. Due to a misunderstanding, the female protagonist became frustrated and was raped and threatened by the male protagonist. She had no choice but to marry the male protagonist without having any children. The second male lead liked the domestically violent female protagonist. After multiple miscarriages, the female protagonist was unable to have children. The second male lead once got drunk and told the truth about the past. The heroine is so heartbroken that she wants to commit suicide by jumping into the river. I happened to meet the male protagonist walking by the river with his son and daughter. The two talked and resolved their misunderstanding. The second daughter died due to illness. In the end, the second male lead was imprisoned for driving drunk, killing a passerby, commercial fraud, intentional injury, drug abuse and other crimes. The heroine divorces the second hero. The male protagonist and the female protagonist are together. The female protagonist has been infertile due to long-term domestic violence. Together with the male protagonist, they are raising a pair of children left by the second female protagonist. The heroine loves the hero deeply and always protects him. A diary of the heroine reveals all the truth. There is no high technology, no science fiction, no time and space, and no travel.