Kim Sung-hyen May 13, 1997 4.7 Kim Sung Hyen, also known as DGGYANG, is a South Korean actor and film director.Known For Tv Known For Love After School Nov, 2017 KO 0 seasons 5.0 100% Era Jan, 2021 KO 0 seasons 2.0 Hospital Playlist Mar, 2020 KO 0 seasons 8.4 Boys Be Brave! Apr, 2024 KO 0 seasons 9.0 Missing Crown Prince Apr, 2024 KO 0 seasons 6.2 The Temperature of Language: Our Nineteen Feb, 2020 KO 0 seasons 5.3Known For Movie Known For Nuzabar Jul, 2024 KO 0 mins 0.0