Aku no Bara
AnimeUnlisted
Somewhat obscure titles that feature fine romances as main or secondary theme.

TV, 2013,
13 eps
Me:-
Author:10
Probably the most famous title of this list. Despite the odd CGI that may look awkward at first, the slowly matured psychological themes and realistic characters make for a compelling journey through the dark places of the human heart.

TV, 2008,
13 eps
Me:-
Author:9
Romance, reincarnation, and predestination are the hanging scroll of this toko no ma.

TV, 2008,
26 eps
Me:-
Author:8
Unconventional and forbidden romances are the secondary theme of this anime.

TV, 2007,
22 eps
Me:-
Author:8
Romances amongst opponents are subtly intertwined with the plot.