I Traveled Through Time and Became a Female Supporting Role, and the Yandere School Sweetheart Said He Liked Me

Xiao Ran wants to be a tool man and get rid of the fate of being killed by the yandere male protagonist because of seeking death in the original work. So, she kept working hard to promote the relationship between the male and female protagonists, but why, the plot of the story became increasingly different from what she saw! How could the heroine be with the second male protagonist? What should the male protagonist do? Seeing the female protagonist happily sleeping with the second male protagonist, she felt like crying but silently sympathized with the male protagonist and comforted him to look away. However, unexpectedly, the male protagonist looked unconcerned and instead asked her shyly if she wanted to be with him. ..., Xiao Ran thought, has this plot collapsed?