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Is there a manga/manhwa/manhua about an fl where she reincarnated but not romance??? Every isekai or reincarnation i see about a female character is always romance

Can anyone recommend a unique world building and not a generic one. (Any genre will do)

this list includes FL either having a

- poly relationship 
- reverse harem
- threesome / foursome / orgy
- many handsome boys are around her 
(either if it's platonic or romantic) 

may contain a spoiler if you saw this emoji '' 
read at your own risk

the list are in no particular order

pls recommend this list. thanks <3

Recommend me some sad story(manga/manhwa/manhua) that will make my eyes numb (any genre will do)

recommend me your top 1 any genre will do