Seo Joo hyun (23) A lovely girl, kind heart, love her family so much   Lu Han (27) A Caring, understanding, good but cold look business man.   Se Hun (22) Good look, cold outside caring inside, joo hyun understanding baby brother   Bae joo hyun/Irene (22) Seo Joo hyun childhood best friend and Sehun first love. Kind heart.    Park Chan Yeol (26) Tall, fun to be with, kind heart, always make