Well...she does die. And became what Remi sent Sakuya to find/kill/dig up a secret on. To use against her in the present. Erasing her would be no fun for Remi as she wouldn't remember it to enjoy.
Though how is Sakuya suppose to get back without her Time Stopping powers?
I'm aware that this is a fanon story, but this story goes pretty deep and well-built from the fanon and canon pieces. Up to this point, one can make a lot of speculations on what might happen; in my case, Yuyuko's death could involve Sakuya, or someone else at that time, and Youki somewhat felt 'betrayed' because Yuyuko knew she's going to die without telling Youki about it, which made him quit. Even worse for Youki if Sakuya is involved on the death, since he do have feelings to her.
And for some reason, Konngara became more and more into a boy in my eyes....
I like how the cherry blossoms started falling as she said that. You can practically hear them.
Oh-ho?I will hear it out, if you don't mind it being me.You won't tell Youki?...I'm going to die soon.Is something troubling you?.... Really?No, I won't!...I'm jealous of the relationship of trust you have with Youki-dono, Yuyuko-dono.Mm, yes.But there's something I can't tell Youki, you know?.... Mmm, well...Well, even so...You are?You see, I...