I believe there was a topic before about this, but the manga suggested were ones I believe I've already read. So, what I'm looking for is a series where the villain/antagonist falls for the heroine. I am not, however, look for a series where the villain and heroine end up together. I want more of a love triangle thing going on, where the villain is not the main male lead.

Some examples:
Tail of the Moon
Sailor Moon
Red River (sort of)
Ceres
Tokyo Mew Mew

EDIT (more examples of ones I've read):
First Girl
100% Perfect Girl
Basara
Hadashi de Bara wo Fume
Crazy Girl Shin Bia
Advent Snow White of the Hell
F.O.X
Legend of the Nereid

Anime examples:
Voltron/Beast King GoLion

I would prefer shoujo/josei, but if you know any good shounen/seinen that fit (and isn't made up of fanservice), then that would be fine to.

Thank you. ^^

Try these...

[url]http://www.mangaupdates.com/showtopic.php?tid=29600&hl=Villain%20heroine[/url]
[url]http://www.mangaupdates.com/showtopic.php?tid=43450&hl=Villain%20heroine[/url]
[url]http://www.mangaupdates.com/showtopic.php?tid=44336&hl=Villain%20heroine[/url]

[color=violet]Tournament Round 1[/color]
[color=blue]Round 2[/color]
[img]http://i.imgur.com/CcwHreL.png[/img][img]http://i.imgur.com/aQ0E4sC.png[/img]

Try 100% Perfect Girl (mahnwa, drama), Hadashi de Bara o Fume(historical) and Kaichou wa Maid-sama.

[img]http://i1141.photobucket.com/albums/n590/mvobsuna14/ezza%20set/colorsig1.png[/img]

[color=#C6AEC7]Thanks to blueangel06661 for the stock![/color]

@Knight: Thank you for the other threads. However, I've already seen those threads. I did find one that I seemed to have overlooked though. A lot of the manga they are suggesting are ones where the villain and the heroine get together. That's not what I'm looking for. I'm looking for the love triangle, but the heroine and villain do not get together.

@Aria: I've already read all of those. But thank you. ^^

I'm not sure about the following as I haven't read them myself. These are recommendations to a request like yours.

Dance in the Vampire Bund
Vampire Knight
The Legend of Maian
Haou Airen
Superior
Darker Than Black
Sugar Sugar Rune

[img]http://i1141.photobucket.com/albums/n590/mvobsuna14/ezza%20set/colorsig1.png[/img]

[color=#C6AEC7]Thanks to blueangel06661 for the stock![/color]

eh...Skip Beat! kinda, I mean, in a way...
Ao Haru Ride not a villain, but...
Kanojo wa Uso wo Aishisugiteru although I can't promise as I haven't read to the latest chapter
LiarxLiar not a villain
Black Bird definitely
Tenma no Ketsuzoku this! although not the main villain
Hope some of these fit?

I am the master of my fate;
I am the captin of my soul.
William Ernest Henely

I rate manga with 5 being the average score.

Thank you both for the recommendations. ^^

I've already read a good bit of them, but a couple seem rather interesting.

Hatenkou Yuugi Well as much of antagonists as there are. They have a funny relationship...

Shadow of Visions - Villain who is not main love interest pursues heroine. It's not really a love triangle though.