(Some ancient imaginary worlds have relatively ancient settings)
As female supporting characters who form stories in the parallel world, their existence is indispensable. They are completely different before meeting the heroine and after meeting the heroine.
(Martial Arts) She is a female partner who has been arranged to fall in love with the male protagonist at first sight since she was a child, and she is also his most loyal guard. However, after the appearance of the little white-flowered female protagonist, her personality changed drastically, becoming vicious and arrogant. She deliberately put the female protagonist into dangerous situations several times without saving her. After being discovered by the male protagonist, thinking of her old relationship for many years, she destroyed all her martial arts skills and expelled her from the house.
(Zhao Dou/Zhai Dou Wen) She was supposed to be the virtuous and virtuous daughter of the General, but she was set up as a femme fatale who framed her sister and was willing to become a pawn for the male protagonist of the enemy country. In the end, her country was destroyed, her family was destroyed, and her head was missing.
(Campus article) She was supposed to be a campus goddess who focused on her studies and was proficient in all kinds of music, chess, calligraphy and painting, but she was set up as a female supporting character with different appearances and duplicities. She was jealous of the transfer student heroine, who was like a little sun, and targeted her overtly and secretly. In the end, she was found out by the male protagonist, and the evidence was exposed to the public eye, making her the target of public criticism.
She should have been...
The main system was attacked by unknown sources, and the female protagonists in various parallel worlds lost their memory. This time she was no longer the person she was in the character, she was herself.
The female protagonists in these worlds are fragments of her own soul, and she will be slightly different in different worlds. (Some worlds may have no cp.)