Just some ideas I've been thinking of. I may or may not publish these stories.

1.) Captain Phasma x Fem! Stromtrooper Reader

2.) Fem! Kaiju Harem x Fem! Kaiju Reader

3.) Female Terminator x Fem!Reader 

4.) Yandere Overwatch x Fem!Reader

 5.)Skullgirls x Fem!Reader

6.) Yandere Esdeath x Fem!Neko!Reader x Yandere Seryu x Yandere Leone

7.) Fem!Human!Jurassic park Harem x Fem!Reader

8.) Female SS Officers x Fem!Reader x Fem!American!Soldiers 

9.)Female!SCPs x Fem!Reader