This manga really remind me of twilight. Cause they is also the love triangle between a vampire + Human girl + Werewolf.

Creator of host club*
Summury *two volume by Viz*
Seventeen-year-old Chiyuki Matsuoka was born with heart problems, and her doctors say she won't live to see the next snow. Touya is an 18-year-old vampire who hates blood and refuses to make the traditional partnership with a human, whose life-giving blood would keep them both alive for a thousand years

http://www.mangaupdates.com/series.html?id=112