Inhae and her sister Haewon are the school guardian of which their uncle own. This school is divided into two classes; day-class students and night-class students. If your thinking that these night-class students are just ordinary humans that take classes at night..... Well your wrong. 

    These night night-class students are also known as vampires.

     What happens when Haewon tells Inhae the secret of which she and the night-class keeps for so long....

"Their different from us..."

                                      "Why don't you try to get along with them..."

"Youre one of us...."

                           "It's not true..."

Park Inhae - 

18y/o

 *the younger sister of Haewon

*smart, kind and helpful.

*can be annoyed if no one follows her advice/orders.

*school guardian

*a day-class student (but will soon join the night class)

*vampire princess (but doesn't know. Her sister keeps this a secret to protect her)

(other attitude or behaviour will be shown in the story)

Park Haewon - 

19y/o

*older sister of Inhae

*school guardian

*day-class student (but will be a night-class)

*smart, kind, and helpful

*can be annoyed if no one follows her advice or orders.

*vampire princess (keeps this a secret from Inhae to protect her)

(other attitude or behavior will be shown in the story)

EXO -  

*vampires

*divided into two clans- exo m and exo k

*has their own elemental power

*night class students..