The Supporting Female Lead Won't Be a Stepping Stone [Quick Transmigration]

Qian Yinghan transmigrates into a novel as the tragic female supporting character, destined to make the protagonist shine. Her task is to change the supporting character's fate and stop being a stepping stone for the heroine! 1. In a reborn campus novel, she is the heroine's stepsister, and crushes her with her talent. (Completed) 2. In an entertainment-industry System novel, she is a young Best Actress, and crushes the heroine with her acting skills. (Completed) 3. In a post-apocalyptic space novel, she is a weak, dependent flower, and crushes the heroine with her supernatural powers. (Completed) 4. In a wealthy-family mix-up novel, she is the heiress's fiancee, and crushes the heroine with her wealth. (Completed) Face-slapping and a comeback, marrying a tall, rich, handsome man, and reaching the pinnacle of life. It couldn't be more perfect. It would be even better if He Quan, the tall, rich, handsome man, didn't keep losing his memory. A loyal, devoted male lead who keeps losing his memory and imagining things X a slow-to-fall-in-love, handsome-face-loving heroine focused on completing her missions [Reader's Guide] 1. The first world isn't very well written, so I recommend starting with the second. 2. The male and female leads' original identities are connected. This will be revealed later. Theme: