Zhang Yuchen, a modern girl obsessed with online novels, unexpectedly got her wish and transmigrated into the novel she had dreamed up. As a result, the careless author wound up transmigrating into her own work as Supporting Character A, who might only appear in the first three episodes... To survive, fulfill her long-held wish, and make her ambitions a reality, Supporting Character A, originally slated to appear for no more than three episodes, worked tirelessly and made use of the advanced knowledge and far-reaching ideas she had learned as a modern person. She achieved her ideals, lived a life with cheat-like advantages, and returned to reality with the love she cherished most!