I Became a 18Th-Tier Female Supporting Role Through a Book, and I Became a Bitch

Yiyi went through the book and traveled to a time when she killed the heroine's family and became the leader, causing the heroine to commit suicide. Only then did she realize that she was deeply in love with the heroine and couldn't help herself. She killed everyone out of regret. The only thing left in the book was the male protagonist's ancient sadomasochistic love affair, deep romance, palace fights and house fights. You guess, I guess, everyone dies together. As the stepsister of the heroine, the number n cannon fodder female supporting role Yiyi:... Female supporting actor No. N Yiyi: I can still survive, don't panic. In order to add bricks and tiles to the relationship between the male and female protagonists and promote the great harmony of mankind, Yiyi turned into a dogleg and cut a bright road on the road where the male and female protagonists had misunderstandings. When they thought that the male and female protagonists would have a HE ending, the male and female protagonists took out Yiyi who was moved to tears in the corner. Hostess: Sister Yiyi, didn't you promise to always be by my side? Male protagonist: Yiyi, don't you want to stay with me for the rest of your life? Yiyi:? ? ? One sentence summary: I work as a matchmaker to protect my fiber for the male and female protagonist, and the male and female protagonist fight to the death for me.