Can someone recommend me some good physiological manhwas? They don’t have to not have ro...

Dunno, these maybe?

https://www.mangago.zone/read-manga/checkmate_1/
https://www.mangago.zone/read-manga/ten_count/

If u haven't yet (〜￣△￣)〜

i dont know if its psychological but it gets dark at some parts // "the boxer" // the creator is also the author of //"the horizon"// which delves more into the psychological genre

https://www.mangago.zone/read-manga/sangyang_the_wanderer/
Have read this yet?

i second checkmate & ten count. i also dont rly know if boxer counts as psychological but it was pretty damn good https://www.mangago.zone/read-manga/murderer_llewellyn_s_enchanting_dinner_invitation/
https://www.mangago.zone/read-manga/sangyang_the_wanderer/

https://www.mangago.zone/read-manga/serenade_keum_kyesoo/ (GL manhwa; college setting; pianist student MC x piano teacher FL; teacher x student relationship, mild violence, non-con, rushed ending)
https://www.mangago.zone/read-manga/my_girlfriend_s_not_here_today/ (GL manga; high school setting; blackmail, adultery)
https://www.mangago.zone/read-manga/seiren/ (GL manhwa; high school setting; mentally unstable mermaid? MC x popular athlete FL)
https://www.mangago.zone/read-manga/artificial_temperature_36_7_c/ (GL manhua; prisoner MC x AI doll FL; violence)
https://www.mangago.zone/read-manga/zenbu_kowashite_jigoku_de_aishite/ (GL manga; high school setting; sort of enemies to lovers; toxic relationship)
https://www.mangago.zone/read-manga/opium/ (GL manhwa; historical setting - 1946 Korea; doctors MC and FL)
https://www.mangago.zone/read-manga/i_m_more_dangerous_than_you/ (GL manhua; college setting; poor introverted writer student MC x beautiful and popular teacher FL who is a fan of MC's novel; teacher x student relationship, bullying, violence, confinement)
https://www.mangago.zone/read-manga/manipulate_my_heart/ (GL manhua; college setting; introverted student MC x popular professor/researcher? FL; teacher x student relationship, child abuse by parents, mild violence, depictions of suicide, mind-control, possible confinement)
https://www.mangago.zone/read-manga/zuo_ying_xiao_jie/ (GL manhua; police officer MC x imprisoned crime-solving expert FL; WARNING: this MIGHT BE a BIOLOGICAL daughter x BIOLOGICAL mother incest manhua, the FL did raise the MC but the story didn't mention if they were biologically related or if the MC is adopted - either way it is disgusting, grooming and incest/pseudo-incest, but I included it into the list since it does deal with a great deal of psychological issues and topics; incest/pseudo-incest?, grooming, violence, mild gore)
https://www.mangago.zone/read-manga/indulging_a_crazy_beauty/ (GL manhua; historical setting - Imperial China; 9th princess MC x army general FL; toxic relationship, possessive FL)
https://www.mangago.zone/read-manga/dark_mermaid/ (GL manhwa; high school setting; introverted MC with a traumatic past and sleepwalking disorder x extroverted class president mermaid FL; bullying, mild violence, sexual harassment)
https://www.mangago.zone/read-manga/our_love_is_disgusting/ (GL manga; doll-maker MC x FL who wants MC to make her a figurine of her own; age gap - MC is 23 and FL is 16-17; obsessive thoughts)
https://www.mangago.zone/read-manga/our_similarities/ (GL manhua; paparazzi psychopath MC x actress psychopath FL; bullying, violence, child abuse and neglect by parent)
https://www.mangago.zone/read-manga/futsuu_to_bakemono/ (GL manga; high school setting; loner MC who longs to be "normal" x monster disguised as a human FL; possible age gap?)
https://www.mangago.zone/read-manga/sugar_girl_drip/ (GL manga; extroverted influencer MC x introverted FL; written for a male audience, violence, mild gore, forced prostitution?, child abuse, non-con)
https://www.mangago.zone/read-manga/a_love_hate_chord/ (GL manhwa; high school setting; enemies to lovers; obsessed with the FL pianist MC x pianist FL who hates MC)
https://www.mangago.zone/read-manga/love_thy_neighbor_2/ (GL manhwa; college student MC x next-door neighbour FL; age gap - MC is in her 20s and FL in her 40s, adultery, mild violence, dub-con, religious guilt)