Starblood: an occult horror trilogy

Satori will do anything for Star except let her go. When she ends their relationship, he summons a demon to win her back, but the demon, Lilith, has other plans. When Star falls for Lilith, she discovers the depths of her own depravity, and they are drawn into a magical and violent struggle for survival.

Horror fantasy, with bisexual protagonists and erotic elements - Clive Barker's Imajica meets Emily Bront?'s Wuthering Heights, set in the Gothic subculture in Britain.