Gracie Nanase 17 got into an elite night school. On the way there a girl named Yui Kimori is picked up. Inside the mansion, they meet six vampire brothers, the Sakamaki's. One other thing about them, they were all vampires. Gracie feels as though she needs to protect her friend What secret is in Gracie's family and will she find it out? will they fall in live with the person they least expected?