Long & plot intensive
http://www.mangago.me/read-manga/tourou_no_ori/
One-shot smut
http://www.mangago.me/read-manga/kyuuso_neko_o_kurau/
Have fun ヾ(❀╹◡╹)ﾉ~
That's what I'm here for lmao
http://www.mangago.me/read-manga/host_in_down/
http://www.mangago.me/read-manga/gamerz_heaven_dj_directors_cut/ (slight guro)
http://www.mangago.me/read-manga/kanpai_dj_unapai/ (very guro)
http://www.mangago.me/read-manga/baby_bitch/
http://www.mangago.me/read-manga/ienai_itami_o_daite_iru/
http://www.mangago.me/read-manga/kusatta_rasen/ (a classic lmao)
http://www.mangago.me/read-manga/yami_bl/ (ch 10 in particular)
Also most stuff by Psyche Delico tends to have a mean spirited tone. It's not as over the top some of Harada's work but I think it's really effective.
Can you guys recommend something really fucked up like ore higaisha or harada stuff cause I'd be much obliged