Please Obsess Over Me

Arabella died at the hands of the Rebels and regressed.
So this time, she decided to befriend them.
If she become friends, they won't kill her.

But.

"Can you let me go once it's all over?"

He tilted his head slightly as he asked.
His eyes, staring blankly, were darkened with an inexplicable thirst.

"What should I do? I have no intention of letting you go."

...This, their reactions are somewhat strange.

Original Novel:
Chapters, Volumes, Side Story

Official Translations:
English