A story about five mafias with a love triangle.. [Warning] Might have some voilence in it..

Ryujin and her sister yuna have just moved to new school in Seoul because of their mothers job. As soon as they get there they quickly become the heartthrobs of the school, and gain tons of popularity. But Ryujin then starts to have trouble with her math homework and quickly needs a tutor. Luckily Chaeryeong, is just the girl to help her. As Chaeryeong becomes Ryujin's tutor the two soon find it hard to fight the fact that they start to have feelings for one another, but are too scared to admit it. As Chaeryeong soon gets a new boyfriend Taehyun, How will Ryujin confess her love? Completed☜(ﾟヮﾟ☜)