Had HE With My Fiancee's Nemesis GL MTL

Full Synopsis

Yu Ning has an alpha fiancée that everyone envies, and she often fights with others for her fiancée. She always thought that her fiancée's coldness and reticence were due to her personality. It wasn't until a transfer student with a soft personality came that Yu Ning realized that Lin Yanqing's indifference was only for her. she.
　　It wasn't until a traffic accident happened that Yu Ning realized that she was living in a book.
　　
　　In this book, her fiancée and Jiang Shuangshuang are the protagonists, but she is the vicious female partner who keeps preventing them from being together. In the end, he reaped the consequences of himself, and his legs were crippled, which became a stepping stone on the way for the two to get married.
　　Yu Ning, who had come to his senses, thought it was absurd, but fuck it, whoever likes this alpha will want it, and she doesn't want it.
　　
　　In order to get rid of the engagement, Yu Ning tried every means, even at the expense of pretending to be an alpha after being differentiated into an omega, in order to achieve the goal of retiring the engagement.
　　It's just that Yu Ning didn't expect that when he escaped by chance, he happened to meet alpha, the domineering school bully on campus, and what's even more coincidental is...she didn't bring inhibitors...the air is full of candy-flavored pheromones belonging to
　　
　　omega , Su Yining approached her with a malicious smile: "I heard that you also differentiated into an alpha? So this is?"
　　Yu Ning trembled and couldn't speak, which was too coincidental.
　　
　　Just when Yu Ning was thinking about whether to "kill herself", she heard Su Yin's gentle voice: "Yuyu, you have to remember, I saved you three times, according to our customs, you are mine." I'm human."
　　*
　　The Alpha of the Su family has a special constitution, and can only mark one Omega in a lifetime, and Su Yin has no susceptibility period after he differentiates into an Alpha.
　　But ever since he accidentally tagged Yu Ning once, Su Yin's susceptibility period was stronger than anyone else's.
　　
　　On the contrary, Yu Ning, who was briefly marked by her, is heartless every day.
　　Whoever harmed her, of course she would seek "revenge".
　　So, Su Yin had no choice but to pull Yu Ning to help her through the susceptible period every day!
　　
　　*
　　"You only take a bite of what you said."
　　"Well, bite a million bites."