The story takes place in a closed and conservative high school in a small town. The protagonist Liu Qinghe is a new transfer student in the class. He is taciturn and has excellent grades. He exudes an unapproachable temperament and attracts the attention of class beauty Shen Xinghe. Shen Xinghe is enthusiastic and cheerful, and pursues Liu Qinghe, but he repeatedly encounters obstacles. In an accident, Shen Xinghe discovered the secret hidden by Liu Qinghe: his seemingly ordinary adoptive father was actually the leader of a mysterious organization, and he was the heir trained by the organization. He had received cruel training since childhood and was unable to have normal human emotions. After learning the truth, Shen Xinghe still chose to get close to Liu Qinghe, hoping to melt his cold heart with warmth. However, the huge differences between the organization's tasks and their identities are like thorns, hindering the development of their relationship.
Intention: Seeing life as a routine, but believing that the horse is free from reins