蒼刻ノ夜想曲

Modern Tokyo. Hero attends music university and meets a girl who can neither talk nor remember anything on a street. He calls her Rumi and takes her home. One day vampire Sheri the Nosferatu appears before the hero, but she is driven off by female hunter Aisha. Rumi is linked to those two people and gets involved into conflict between them. [From vndbreview]