Based on: SBS's "Running Man"   Genre: Romance, Sad,  Reminiscing, Noona-dongsaeng relationship   Characters: Song Ji Hyo and Song Joong Ki   Brief: We all knew about Joong Ki and Ji Hyo's sibling relationship both on and off-screen but after Joong Ki left Running Man to pursue his acting career, it has been difficult for Ji Hyo since she has no one to rest her head onto someone's shoul