Bu Xingyao is an ordinary schoolgirl who faces bullying at school. Lei Haoxuan, the school's resident delinquent, used to be a flirt, but he falls sincerely for Bu Xingyao. With her top-student roommate constantly pushing her, Bu Xingyao works hard at her studies, while Lei Haoxuan's domineering protectiveness helps her grow. Their feelings deepen through school events like anonymous love letters and the sports meet. But then Lei Haoxuan's ex-girlfriend returns, and a scheming girl tries to ruin their relationship. Bu Xingyao is targeted by online harassment, but she uses her quirky wit to overcome the crisis. She and Lei Haoxuan move in together, share a romantic proposal, and ultimately stay true to their love despite the conflict between romance and duty, building a business empire together and making a success of ecological development.