What kind of title is this?: Manhwa / Webtoon.
How many volumes are there?: 7 volumes are listed.
How many chapters are there?: 71 chapters are listed.
Where can I read it?: Reading links are listed for WEBTOON, Naver Webtoon, Naver Series, Yen Press. Check availability in your region.

Synopsis

About DARK MOON: THE BLOOD ALTAR

Welcome to Riverfield, where the most popular boys at two rival schools happen to be vampires and werewolves. When a mysterious new student, Sooha, transfers to Riverfield, the rivals find themselves inexplicably drawn to her. As horrible incidents start to shake the town, the boys’ forgotten pasts slowly start to unravel… and their world turns upside down. (Source: WEBTOON) Note: Includes one extra chapter.

Supernatural