What Should I Do If I Become a Vicious Supporting Actress and Am Targeted by the Heroine?

[Double Cleansing + Mermaid Female Attacker + Master-Servant Relationship + Female Attacker Heartthrob] Jiang Yiwen was originally an ordinary office worker. Once when he was working overtime at the company to modify an APP, the computer suddenly popped up the recently popular novel "Hear Your Heartbeat". He instantly entered the novel and became a vicious female supporting character with the same name. I had only read half of this novel due to work reasons, but Jiang Yiwen really loved to bump into the male and female protagonists along the way, and she even wanted to be their true fan at that time. Although she didn't know the ending, Jiang Yiwen had heard from others that the ending of this vicious female supporting character was very cruel! Jiang Yiwen's face turned pale instantly. Jiang Yiwen, who knew the ending, began to care about the heroine in order to survive, and made up for the mistakes committed by the original heroine, just to seek a happy ending. When others say bad things about the heroine, she replies directly. When the heroine was bullied, she immediately pushed the assailant to the ground. When the heroine is injured, she takes care of her in every possible way. Jiang Yiwen's behavior made Wei Na change her attitude towards her. She thought it might be love. It was not until the last few days that Weina discovered that Jiang Yiwen's hobbies and interests were completely different. After observing for a long time, she came to the conclusion that Jiang Yiwen was fake! Weina did not expose it, feeling that the arrival of this fake lady gave her the long-lost love. This love deeply attracted Weina, and Weina liked it very much. I don't know who will be better between the fake lady's reserve and the flirtatious mermaid. The game between the prey and the hunter is slowly unfolding...