KOREAN MBLAQ (엠블랙) MBLAQ (엠블랙) – Winter Rain (천국이니까) 천국이니까 (Winter Rain) cheongug-inikka (Winter Rain) “Heaven’s (Winter Rain)” King of Dramas part 4 OST 2012.12.26 G.O, Mir Lyrics/작사: 오성훈…