The Inheritance of Aroma
Complete | NAKAMURA Asumiko | 2008 released
Brothers (or 1/2 brothers), one accepted and successful, the other tormented. Very good.
Lock Up Boy
Ongoing | suehiro (ii), tamekou, toube, ukino, uzui, yoshimoto,anthology | 2015 released
Fucked up, from what I can tell. Not terrible, but hurts the brain (deciphering meanings) and the heart (after deciphering).
Kokoro O Korosu Houhou
Complete | kashio | 2014 released
Whew this is one twisted story, but I love it. I don't know if there can be an HEA.
Renzoku Ambivalenz
Ongoing | Yoshida kansuke | 2000 released
Caste Heaven