The Light at the End of the Road

Introduction to the Work: Born into a wealthy family, Cheong Yunho was the perfect eldest son, the focus of his parents' expectations. However, an incident triggers the sudden onset of an illness, causing him to lose his sight. All expectations for Yunho's talent and future now turn to his younger brother, Yunseong, and Yunho gradually becomes alienated from his family. One day, Yu Hwan helps Yunho out of a difficult situation. Yu Hwan already knows that Yunho is the friend he met at the orphanage when they were children, but he pretends not to know, and the two meet again.... What is the relationship between Yu Hwan and the incident in the rain from Yunho's nightmares? [Preview] "If you...