Love,Loves,Loved (EXO AND SNSD FANFIC)

The two sisters grew up in an orphanage in Mokpo as their mother died when their dad abandoned them.One day,they were told that their dad wanted to get them back.They have no say. They travelled to Seoul , a city they have dreamt to live in. Their live changed drastically when they knew that their father was an billionaire. They got into a prestigious high school and met a boy called KyungSoo. Of course, both of them fall in love with him and made a huge mess, making their father to think of ways to stop the girls from meeting Kyungsoo. The boy they love or the relationship between the two sisters? Which is their priority?