5 female students are recruited by their favourite celebrity to join the JYP Family, encountering someone whom they wish they should not have while going through their trainee life. Start: 2016 End: 2017

Mark Tuan and Kim EunJi have been best friends since they're 5. But as time goes by,Eunji's feelings grew more than a Friend for Mark. Will Mark have the same feelings too or will he reject her? Read this story to find out!