You are my luck

Seola was a Slytherin girl with a family with a terrible past, all she wanted to do was fnish school and run away from everything, but then the triwizard tournament happened, and she saw herself having to put her name on the goblet after she lost a bet. While she had to deal with her bad luck of begin the Hogwarts champion, she also had to learn about her new fellings for the beauxbatons girl, Bona. Short-fanfic, Harry Potter au 

Just in case: Beauxbatons: Bona, Meiqi, Luda, Xiao, Yeoreum Slytherin: Seola, YeonjungGryffindor: Eunseo, DayoungRavenclaw: ExyHufflepuff: Xuanyi, Dawon, Soobin