Actor Nam Joo Hyuk and actress Han Sung Yeon of the popular KBS 2 TV Monday Tuesday drama 'Who Are You - School 2015' uploaded a picture of them posing amicably, wearing high school uniforms. On the recently ended KBS 2 TV Monday Tuesday drama 'Who Are You - School 2015' the two actors played a couple. In the picture, Nam Joo Hyuk has his arm wrapped around Han Sung Yeon and makes a peace sign with another hand. actress Han Sung Yeon had her long black shiny hair down, showing off her innocent, naïve looks as a high school student. In related news, The popular KBS 2 TV Monday Tuesday drama 'Who Are You - School 2015' tells a story of a high school girl Kim So Hyun, whose life is changed all of a sudden one morning. It is the latest serie of the School series, which has been in existence since the 1990s. Actors Kim So Hyun, Jo Soo Hyang and Nam Joo Hyun in addition to many others star in the drama.