Finder Series
http://www.mangago.me/read-manga/sasayaku_no_wa_sono_yubi/
definitely have got to read this one if you haven't
-- akiyama-kun
-- acid town
- http://mangafox.me/manga/ano_hi_no_kimi_wo_dakishimeta_nara/
- after morning love
- http://mangafox.me/manga/silence_akiyama_koito/ (chap 7-10)
- Hanamachi Monogatari - Hatsuzakura Mau, Yoru No Shitone
- http://myreadingmanga.info/daisy-chic0tu-hetalia-dj-bathroom-rhapsody-eng/ (veeeery twisted by ogawa chise *3*)
-- mentaiko, itai itai itai [ its bara but pls give it a try (/*.*)/ ]
-- zion no koeda (twisted but sweet)
- kowarekake no omocha
- sayonara, itoshii my friend + sequel (i think what the mother did is abuse)
- Hidoku Shinaide
- http://mangafox.me/manga/honeydew_syndrome/ (bullying ?? )
- Ginkaku Hakase to Marmot (bullied and raped?? by the seme, nothing serious just the usual rape/sex in yaoi)
-- konbini kun
- http://mangafox.me/manga/hana_no_mizo_shiru/
-- http://mangafox.me/manga/boku_to_neko_to_hatsukoi_kousa/ (abused by father)
- Rikara
- green peace
- http://mangafox.me/manga/junjou_ookami_san_to_kohitsuji_kun/
-- escape (kyuugo <3)
- http://mangafox.me/manga/adult_na_kaihatsushitsu/ (just rape, no love)
-- sweet bitter candy
- http://mangafox.me/manga/kimi_wa_amai_amai/
- http://mangafox.me/manga/kinpeibai_kinden_honoo_no_kuchizuke/
-- http://mangafox.me/manga/double_mints/
-- http://mangafox.me/manga/aigan_shounen/
- http://mangafox.me/manga/nichijousahan_bi_beautiful_life/ (if i am not mistaken)
- http://mangafox.me/manga/don_t_stay_gold/ (yoneda kou, anything related to this)
- http://mangafox.me/manga/venus_ni_seppun/ (TWISTED, i didn't like it)
- http://mangafox.me/manga/sannin_gurashi/
-- http://mangafox.me/manga/hanakage_no_kioku/
Under grand hotell
Tight rope (its a shonen ai, but it is my favorit story ever)
Okane ga nai
A Cruel God Reigns http://view.thespectrum.net/series/a-cruel-god-reigns.html
p.s extremely twisted and no such things like happy endings but still a great manga
Here's a good one kichiku encount you'll find rape in the first chapter
Please, I want any yaoi where the uke is raped, or suffer bullying or is abused... Thanks a lot!