be honest, how is this?

Vocaloid: sadistic vampire
The 年 is 1910, and mysterious killings keep accruing. After a girl named Lily and her little brother, Piko, are killed, Hatsune Miku wants to find out who is killing the townspeople. When she finds out who it is, she is shocked to find out that it is one of her friends… and he is thirsting for Hatsune’s blood most of all.