The Way It Was Supposed To Be

When Usagi gets a severe sickness only sailor guardians can get. She stays away from the other sailor guardians, keeping them in the dark about her sickness.

She finds out the only way to stop the sickness from getting to the sailor guardians and get her friends someone better to be sailor moon, she destroys the one thing that allows her to transform. The process inevitably will kill her.

Not wanting her friends to go through this incurable sickness. She says goodbye to Luna as well as asking her to pass out the letters she made to her friends. After breaking it her vision goes black. Only to be met with a god who pitied her.

Giving a second chance as Lumine's sister, Aether, from her favorite game Genshin Impact or is it a game? What will happen? How will her friends react? What happens when they meet some girls who don't seem to want them near their 'Little Fox'?