Can anyone please recommend me bad ass FLs that is not isekai, villainess or reincarnation...

Pure villain

Here dear feel free to look through these! Hope you enjoy~
School Life Pt 1
https://www.mangago.zone/home/mangalist/1408350/

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School Life Pt 2
https://www.mangago.zone/home/mangalist/1759860/

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Show Business / Fashion / Idols
https://www.mangago.zone/home/mangalist/2095334/

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Supernatural / Mythical
https://www.mangago.zone/home/mangalist/1570127/

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Reverse Harems
https://www.mangago.zone/home/mangalist/1407271/

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Warriors / Fighters ⚔
https://www.mangago.zone/home/mangalist/1704060/