Ji Chen is reborn back to his freshman year of college, accidentally binding with the Perfect Life System, and resolves to stay away from relationships to focus entirely on his career. A misdelivered love letter causes the aloof professor Bai Lianwan to conquer herself, and the two gradually develop feelings for each other amidst hilarious interactions. Relying on system skills, Ji Chen excels in his studies, entrepreneurship, and chess tournaments, transforming from a student to a university professor. During this time, he clears up misunderstandings, repels pursuers, and ultimately breaks the shackles of the teacher-student romance, achieving a happy ending with Bai Lianwan and reaping a double harvest in both career and love.