Summers fine day called the ‘generous day’ is a mixture of fresh winds and a warm sun. When the grass is a healthy green and the shaded trees aid students on their physical activities. These days in particular were the days that could not be ruined. Min Sung and her group of friends BtoB  plus JiHoon attend Cube high school, a public school that is looked down by the high class SM Town high school. Living in their own school society makes things difficult for e