EDIT: Classroom of the Elite.. more on Psychological, Classroom... wla nga lng gore..
Code Geass
Death Note
Shiki
Mirrai Nikki
Taboo Tattoo
Big Order
Dimension W
Blood C
Deadman Wonderland
Shigurui
Another
Danganronpa
Parasyte the Maxim
Tokyo Ghoul
Gantz
Corpse Party
Btoom
Hell Girl
Hellsing
Attack on Titan
Berserk
Highschool of the Dead
HIGURASHI NO NAKU KORO NI
Blood+
Psycho Pass
Akame ga Kill
School Days(????)ahem
Re:Zero
Goblin Slayer
Kabaneri of the Iron Fortress
Sankarea
Blood Blockade Battlefront
Hunter x Hunter....
Of course there's still more... pero 'yung iba "H" na...
Like Euphoria for example...