Any yaoi where the seme is a twisted psychopath who will do anything just to have his love...

"Fathomless Cage" by Takakura Row was one of those dark, twisted stories:
http://www.mangago.zone/read-manga/sokonashi_freefall_romance/an/sokonashi-freefall-romance-chapter-6.html

Following

http://www.mangago.zone/read-manga/kokoro_o_korosu_houhou/
Fufufufufu 7u7 someone called this manga?

http://www.mangago.zone/read-manga/dear_crazy_monster/
http://www.mangago.zone/read-manga/suimenka/
http://www.mangago.zone/read-manga/hikizuru_oto/
http://www.mangago.zone/read-manga/kokoro_o_korosu_houhou/
http://www.mangago.zone/read-manga/nii_chan_harada/
http://www.mangago.zone/read-manga/deichuu_no_hasu/
http://www.mangago.zone/read-manga/sakaku_opera/
http://www.mangago.zone/read-manga/color_recipe/
Have fun~

thanks ヾ(☆▽☆)

Already read this but thank you

Wowowowow much thanks (๑❛ᴗ❛๑)

Awwww I'm sorry;;

Color Recipe: http://www.mangago.zone/read-manga/color_recipe/

Despicable: http://www.mangago.zone/read-manga/despicable/
Devil's Thoroughbred: http://www.mangago.zone/read-manga/devil_s_thoroughbred/
Sorry I'm forgetting the name of one. The uke is kidnapped by the seme, runs away, is kidnapped again gets Stockholm and stays. The uke is a chef and I think they are brothers or step brothers.

Last one
Ouji No Hakoniwa : http://www.mangago.zone/read-manga/ouji_no_hakoniwa/

Look for Harada's works.