Pandora hearts (Mochizuki Jun)

this is kind of a mysterious and twisty type of manga. the romance is not clear but it's there. it's like a classic run after love. you'll find yourself wondering how this series end. thumbs-up for it.
SUMMARY: (From Mangareader.net)

Oz Bezarius, heir to one of the duke houses, has just turned fifteen. His life is rich and carefree, darkened only by the constant absence of his father. At his coming-of-age ceremony, however, everything changes. For no reason that he can discern, he is cast into the prison known as the Abyss, only to be saved by a chain known as Alice, the bloodstained black rabbit. Why was he cast into Abyss, how does Alice factor into it all, and what does the organization known as Pandora want with him...?