Ienai Itami o Daite Iru
This is a very dark story, but the art is so beautiful and the emotions are so raw I can't look away. If you are willing to accept this is fantasy and over look the incest (kinda-not blood related) then this is a must read!
Burns
What a bat shit crazy psychotic shit show. If you have a thing for manipulation and emotional abuse then by all means, otherwise I'd give this a pass.
Kemono Asobi
Dark, disturbing, compelling, sexy! I loved it!
Interview with a Murderer
A compelling story about a twisted killer and an arrogant man who flys too close to the flame.
Kiyoku Tadashiku Utsuku Shiku