There are many Korean dramas that focus on the family, especially relationships between siblings. This is a two-part list of eleven (11) Korean dramas, i.e., movies and series, that are about relationships between brothers and sisters. Below are six (6) K-Dramas that focus on brothers. Brotherly love? Uuhh … sometimes. ♦ (1) Christmas Carol ~ Who Killed My Twin Brother? A 2022 Korean movie: Thriller, Crime, Mystery, and Revenge; based on a novel of the same name by Joo Won-Kyu. K-dramas “The Lies Within” and “Gangnam B-Side” are based on his books by the same author. Joo Wol-Woo and Joo Il-Woo (played by Jin Young) are twin brothers. Joo Wol-Woo is mentally challenged and he a murdered. Joo Il-Woo, his brother, knows he was killed because they were talking on the phone ,and he heard him being attacked. The police closed the case as an accident. But Joo Il-Woo tracked down the killer to get revenge.