A transfer student at Huimang High School.
She doesn't talk or smile much. Her eyes look indifferent and her face doesn't show any emotions. Mari acts as if she is invisible, but her action makes her even more visible.
Her only goal is...
to graduate from high school without being discovered her identity, a vampire. Because of this, she had to move from school to school so many times. She just wants to be settled.
No matter how close they were, when Mari's friends discovered Mari is a vampire, they were afraid of her and kept distance from her.
Then, a guy shows up.
Jung Jaemin, whose blood is so sweet, so she finds it hard to control herself.