What is the stem of Shao Qun stabbing the kidney?

Shao Qun's stab in the waist is about a plot in the novel sissy.

It was Shao Qun who made Cheng Xiu soft-hearted. When he was fighting with Ji, Shao Qun stabbed him in the waist with a fruit knife. A simple understanding is chasing a wife crematorium. Shao Qun, two boys in the plot, has been abused in the early stage, and Li Chengxiu abused him. Later, I knew the truth of the matter and understood my own thoughts. I reflected on myself and stabbed my kidney with a knife.

Faced with this interesting way of pursuing love, netizens called it: Shao Qun stabbed his waist, mocking his ignorant behavior.

Synopsis of sissy story;

Paranoid scum attacks tenderness and weakness. Li Chengxiu has tasted the hardships of life since he was a child and is eager to be loved. Shao Qun's life experience is outstanding, and the stubborn and unruly character of the second sai-jo reached its acme in middle school. Because of curiosity and closeness, from bullying to being attracted, young feelings happened at the wrong time and were doomed to hurt. I wanted to put everything aside and start over, but whether meeting again is the beginning of happiness or the continuation of injury.