Requesting that the woman on the right be removed, making it only the left woman.
Upscale if necessary, an image of only the right woman already exists.
Bonus: Make the artstyle more in line with the artist's other works. This doesn't need to be done since it'll probably be a ton of work.
Ref image for artist's style:
https://danbooru.donmai.us/posts/2174598 