Just because of a task order from the system, the hero's childhood sweetheart's fiancée was selected by the system to be the Destiny's Child guide, and eventually turned against her...
Who would have thought that the male protagonist would become a guest and not only slap his junior sister in the face at the Immortal Sect Conference, but also trample on the system that Destiny Child is most proud of...
Purpose: Those who do evil will be punished, and so will the system