would it be enough if i could never give you peace? (слэш)

Shi Qingxuan’s breathing is growing erratic. Like this, He Xuan can feel the way his pulse speeds up, thready and flighty, a terrified thrum beneath his fingers. It would be easy, he thinks. So, so easy.
“Ming-xiong,” Shi Qingxuan whispers, barely audible. “Ming-xiong, I—”
He Xuan’s eyes flash. “You’ve called the wrong name,” he says coldly, and knocks him out.