The male protagonist broke the female protagonist's heart, and the female protagonist resolutely left. Three years later, the female protagonist returned, but she returned as a gangster boss. Three years later, she created nothing. This was a classic web novel plot. The following were possible storylines and character introductions: Plot: In the novel, the female protagonist was originally an ordinary girl with a similar fate as the male protagonist. The male protagonist had once deeply hurt the female protagonist, causing her to be disheartened and decide to leave this world. However, the female protagonist did not give up. She left the male protagonist's life and started her own new life. Three years later, the female lead returned. She was no longer an ordinary girl but a powerful underworld boss. The female protagonist found that the male protagonist had been waiting for her to come back and had been paying attention to her. The female protagonist decided to return to the male protagonist's side as the boss of the underworld to restart their relationship. Character introduction: Female Lead: Originally an ordinary girl left the male lead and started her new life. She was a person with firm beliefs, strong ability and perseverance. Male Lead: He used to be the boyfriend of the female lead, but he decided to leave the female lead after being deeply hurt by her. Many years later, the male protagonist returned to the female protagonist's side, hoping to start their relationship again. [Underworld boss: The female protagonist returns to the male protagonist as a person with powerful influence and connections.] She used her resources and abilities to establish her position in the underworld.