The Arrogant Girl fell in love with a Gangster Boy

Arisa is a very pretty but an arrogant girl.One day her mother transfer her to another school.There she met Haru,a handsome gangster."I would never fall in love in a guy like him."That's her first impression to him. As the day passes ,her feelings for Haru change bit by bit."Have i like him?".But Hare like their homeroom teacher!?How can Arisa deal with those things?

Japanese words that you may encounter on the story:
Sensei:referring to a teacher.
Senpai:referring to a upperclassman.
Ojousama:referring to a rich person.
-Sama:added to a name it refers to a respect.
-Chan:usually added to a girls name.
-Kun:usually added to a boys name.
Oji-san: means grandpa.
Obaa-san: means grandma