How Can a Vicious Female Supporting Role Become a Heartthrob?

(Heartthrob + sweet pet + slightly yandere + male grooming) Tokiho is finally bound to the system, and she has successfully become a vicious female supporting character who enhances the emotional development of the male and female protagonists. As long as the female protagonist appears, she will be hated by the male protagonist no matter what she does. Dressed as the male protagonist's vicious childhood sweetheart's ex-fiancée, Tokiho got engaged to the male protagonist without any surprise. She waited every day to make things difficult for the female protagonist, to be disgusted by the male protagonist, and then slap her in the face and break off the engagement. But later on, the male and female protagonists finally got married, but the female protagonist's marriage partner turned out to be not the male protagonist... * Dressed as a stand-in for the male protagonist in the campus wife-chasing novel, Shisui happily enjoys the male protagonist's care and love every day. She only waits for the female protagonist to break up and the male protagonist gives himself a large breakup fee, and uses the money to live a happy life. However, time flies by and the heroine graduates, gets married, and has children... * Dressed as the vicious fiancée in the male video who was slapped in the face at the beginning, Tokiho said all the vicious and mocking words and waited expectantly for the male protagonist to say that famous line. But why did she join the male protagonist's group? Shiho felt that there must be a conspiracy, something very bad... * Dressed as a spoiled wife and running around with a ball, she drugged the "female protagonist" at the beginning and then went offline, successfully triggering the beginning of the entanglement scene between the male and female protagonists. Tokiho thought there was no way she could fail this time. However, when she woke up one night, she looked at the "heroine" beside her and collapsed. Why was the "heroine" a man... * Dressed as the chief witch of the Hehuan Sect in the novel about cultivating immortals, Shi Sui had not done anything when the four male protagonists grabbed their collars and eagerly came up to them: "You witch, you have indeed cast a spell on me."