Mnet-SM joint entertainment show ‘Reply High School’ first aired on the 13th SBS ‘Lunar New Year Special Concert Sung Si-kyung’ [provided by SBS. Resale and DB prohibited] (Seoul = Yonhap News) Jo Yoon-hee and Sung Si-kyung sang hit songs such as ‘Like the First Time’ and ‘One More Goodbye’ at this performance held to commemorate the 25th anniversary of their debut. Mnet's 'Reply High School' poster [provided by Mnet. [Resale and database prohibited] 'Reply High School' is a time-slip reality entertainment program in which 15 K-pop trainees enter the virtual school 'Friendship High School', experience K-pop culture from the 1990s to the 2010s, and work toward their debut. It was co-produced by Mnet and SM Entertainment, and PD Shin Hyo-jeong of Na Young-seok's division 'Eggs Is Coming' was in charge of directing. yunnie@yna.co.kr #Sung Si-kyung #Broadcast #Concert #SBS Report