Elle has been kicked out of her house by her dad. And now she has to find a job to make a living for herself. She applied for a babysitting job, not knowing that it is actually a vampire-sitting job! Elle soon finds herself in a mansion with six vampire brothers she has to babysit. Then she meets a girl who's name is Yui, a girl who was sent to live there by Yui's father. Will she and Yui survive living with these vampires?