Well here's my second entry, it's very simple andI didn't use anything but the blood drops. I adore as well Zero-san, he's amazing...

Bittersweet is a song by Apocalyptica, the album is: Apocalptica (Special Edition)

Hope you enjoy.

Image used:
http://images4.fanpop.com/image/photos/15400000/Zero-Kiryuu-vampire-knight-15441600-1700-2560.jpg