Chang Nian (the heroine)'s family encountered an accident and she lived with her father. In order to take revenge, her father imprisoned all the people related to the enemy in his basement and tortured them until one day when his father caught the last person and was seriously injured. Before he died, he called Chang Nian to his side and told him, "Nian Nian, remember to keep an eye on them and don't let them escape. Especially that boy... They will all be dangerous to you."
Do you think this is a so-called Mary Sue novel? You are totally wrong. It looks harmless, weak and timid, but in fact it has taken control of the whole situation.
Concept: white and black