Oh Dae-ky

The 11-year-old elder brother, Chan Yi (played by Yoo Seung-ho), takes care of his younger sister, Xiao Yi (played by Kim Hyang-gi), as if he were an adult, with meticulous attention to detail. The brother and sister have always believed that as long as they were obedient, one day their mother, who had run away from home, would come back to them. Xiao Yi's birthday is coming. To fulfill her wish