when a vampire fell in love with his student not knowing she is a demon jk ff

First meet

A girl was sleeping peacefully when suddenly *ring ring* the alarm rings.
The girl throws the alarm away and again started to sleep. When someone came in yelling
Mom: YN WAKE UP don't you want to go to school.
Yn wakes up hurriedly and looked at the clock which shows 7:30 am means she have only 30 minutes to get ready as her school starts at 8:00 am.

INTRODUCTION:
Name: Kim Yn
Age: 20 years old
Family: Mom, Dad and one handsome brother
Personality: Cold, dangerous, strong, badgirl of college but the dream girl of every boy in the college. But sweet with her parents.
Creature: Demon
Relationship status:Single
Friends:None (because she just changed school because she always fight around)

Mrs Kim

Name: Mrs Kim (mom of Yn and her brother)
Family: Mr Kim, Yn, the Kim brothers
Profession: Housewife
Personality: A sweet, loving and caring mom and wife but dangerous when someone hurts her family.
Creature: Demon

Mr Kim

Name: Mr Kim ( dad of Yn and her brother)
Family: Mrs Kim, Yn, the Kim brothers
Profession: A businessman
Personality: cold with outsiders but sweet with his family. Loves his wife, daughter and sons a lot and can do anything to protect them.
Creature: Demon

Kim Seokjin

Name: Kim Seokjin / Jin
Age: 26 years
Family: mom dad and Yn
Profession: Ceo of his own company
Personality: same like his father. He loves his wwh face and his family a lot.
Pampers his younger sister
Creature: Demon
Relationship status: single but have crush on one of his business partner.
Friends: BTS except Jungkook

Yn got ready and went down stairs and met with her dad and brother
Yn: Good morning dad and oppa
Mr Kim and Jin: Good morning princess
Mrs Kim: Yn eat breakfast before going.
Yn: no thanks mom I have to go or I will be late on my first day.
Mrs Kim: ok ok but eat something in the canteen ok.
Yn: yes mom ok bye mom bye dad bye oppa.
Mr Kim Mrs Kim and Jin: bye be careful
Yn: yes love ya
Kim family except yn: love you too

Yn POV
I arrived at my new school and get off my car with a cold expressionless face.
I went to take my schedule at the principal office.
*knock knock*
Principal: yes come in
I went in.
Yn: Good morning sir I'm Kim Yn *coldly*
Principal: Good morning new student right??
Yn: yes sir *coldly*
Principal: so miss Kim welcome to our school and we hope you get well together with us. Here is your schedule.
Yn: thank you sir may I leave *coldly*
Principal: yes you may * smile sweetly*
Then I went to my class and the first one was Maths. Upon arriving in front of the class I knock on the door and I heard a cold deep voice.
???: yes come in
I went in and saw a young and handsome man standing in front of the board.i said
Yn: Good morning sir I'm the new student * coldly *
???: morning I'm your maths teacher Mr jeon Jungkook. come in and introduce yourself * coldly *
I went in and introduced myself
Yn:Good morning everyone I'm Kim Yn. I would like to tell you if you want to be my friend you are most welcome but do not mess with me or else something bad can happen to you. Keep it in you mind. Thank you* coldly *
Mr jeon: ok miss Kim you can go and sit beside Lisa. Lisa rise your hand.
Lisa raised her hand. I went and sat there. Then she spoke,
Lisa: hey would you like to be my friend
Yn: hmmm sure * coldly *

After some time
All this time while following the class my eyes always lands on Mr jeon actually he seems a bit weird as if he was not human his pale skin gives the appearance of a vampire, maybe he is one but if he is then what is he doing here. Leave it I'm hungry. I was going to tell Lisa ti let's go and eat but suddenly she started to drag me herself say let's go I'm very hungry.

INTRODUCTION
Name: Jeon Jungkook
Age: looks like 26 but is actually above of 100 years old
Family: his parents died when he was young but he have a younger sister.
Profession: he is a businessman but he always wanted to become a teacher so as his sister is studying, he will be teaching at her school which he owns actually.
Personality: cold, fearless, merciless for his enemy but sweet and soft for his sister.
Creature: Vampire
Relationship status: Single

Name: Jeon Lisa
AGE: Looks like 20 but is actually above 80
Family: jeon Jungkook her brother
Personality: sweet, kind, loving, caring and friendly.
Creature: Vampire
Relationship status: Single but have on one of Jungkook's business partner.
Now yn and Lisa were having lunch when someone came to there table and threw juice over Lisa. Yn got angry and took her shake and threw is at that person causing everyone in the canteen to gasp. Because it was the popular girl and also the bully of the school named Mia.
Mia: YOU B*ICH HOW DARE YOU DO THAT HUH AND YOU WHAT ARE YOU LOOKING AT SHOW HER WHAT HAPPENS TO THE PERSON WHO MESSES WITH ME.
She said and her minions started to come to hit me but after some time they were found on the floor injured.
Then I said in a cold and demonic voice that scared everyone but not Lisa to my surprise.
Yn: DON'T YOU EVEN DARE TO HURT OR BULLY HER FROM NOW ON OR YOU WILL FACE THE MOST BRUTAL THING YOU HAVE EVER SEEN. REMEMBER THAT. AND YOU MIA YOU WILL SEE WHAT HAPPENS TO YOU NOW. JUST WAIT AND WATCH.
Then Mia spoke in a fearful and trembling voice.
Mia: How did you know my name.
I let out a dark chuckle and said.
Yn: That's for me to know ok see ya outside the school.

TO BE CONTINUED

Hey guys this is my first time post a ff so please ignore the mistakes and support me to continue it and do wait patiently for the next part. So see you in the next part till then take care and stay connected. Byeeeee love ya