Qing Xiaowan—the master of the killer organization. In order to complete a higher-level task, he sneaked into the academy to study. And started to interact with the mysterious Song Fengfeng. The people and things involved in Song Fengfeng were gradually revealed.
There is always helplessness and warmth in daily life, and Qing Xiaowan slowly discovers the unknown side of each of his subordinates.
