full-on toxic city:
https://www.mangago.me/read-manga/roses_and_champagne/
https://www.mangago.me/read-manga/warehouse/
https://www.mangago.me/read-manga/night_by_the_sea/
https://www.mangago.me/read-manga/sura_s_lover/
https://www.mangago.me/read-manga/bi_no_isu/
https://www.mangago.me/read-manga/caste_heaven/
https://www.mangago.me/read-manga/even_the_trash_was_originally_new/
https://www.mangago.me/read-manga/shutline/
https://www.mangago.me/read-manga/codename_anastasia/
https://www.mangago.me/read-manga/corrosive/
https://www.mangago.me/read-manga/bloody_moon_yuzuya/
https://www.mangago.me/read-manga/shadow_realm/
https://www.mangago.me/read-manga/passion_1/
https://www.mangago.me/read-manga/legs_which_cannot_walk/
https://www.mangago.me/read-manga/ouroboros_1/
https://www.mangago.me/read-manga/mobius_strip/
https://www.mangago.me/read-manga/dark_heaven/
Idk if you specifically want toxic relationships, but these have toxic/dark settings, the main relationship just isn’t toxic:
https://www.mangago.me/read-manga/stigma_marloong/
https://www.mangago.me/read-manga/intense_lee_kyung_ha/
https://www.mangago.me/read-manga/sharpe_and_rabbit/
https://www.mangago.me/read-manga/antidote_harusari/
https://www.mangago.me/read-manga/yang_il_woo_and_i/
color recipe
https://www.mangago.me/read-manga/checkmate_1/
https://www.mangago.me/read-manga/two_in_six_billion/
https://www.mangago.me/read-manga/murderer_llewellyn_s_enchanting_dinner_invitation/
https://www.mangago.me/read-manga/healing_paradox/
https://www.mangago.me/read-manga/yoru_wa_tomodachi/
ogawa chise, nakamura asumiko, hideyoshico, and psyche delico - their works have a similar vibe to harada
Hey guys!!
Im looking for more dark-themed recommendations for my list, ur very welcome to check it out
Stuff like harada's work would be great thanks ヾ(☆▽☆)