if u want megumi suffering i got u that is my favorite genre of fic🙇‍♂️ and if u want recs in general i mostly use my ao3 bookmarks as recs so u can always check those.

https://archiveofourown.org/works/50276737
megumi getting nonconned by sukuna on top of gojo's corpse

https://archiveofourown.org/works/51488275
tjgm with heroin addict and neglectful dad toji

https://archiveofourown.org/works/29895780
megumi getting nonconned by naoya

https://archiveofourown.org/works/36305422
https://archiveofourown.org/works/43943871
two different gfsh fics where megumi is Not enjoying the sex that i like a lot