Northeast Girlfriend Too Addictive, Fake Act Becomes Real Love

College student Liu Man is rejected and publicly humiliated after confessing. Her friend Yang Nuuo pretends to be pregnant to save her face and asks Liu Man to pretend to be her boyfriend to dodge marriage pressure. On the way home, Liu Man accidentally activates the 'Dad System', earning rewards by having others call her 'Dad'. While dealing with Yang Nuuo's suitors, a crisis at her family's martial arts school, and her ex-girlfriend's harassment, they turn a fake act into a real relationship and eventually get married and have a child.