Girl group LABOUM Jien So-yeon is performing a wonderful performance at 'On-Talk 2021 Youngdongdae K-POP Concert' held at the special stage of COEX rooftop in Gangnam-gu, Seoul on the evening of the 10th.
Youngdongdae K-POP Concert, which celebrated its 11th anniversary this year, is also the last program of the Gangnam Festival, which opened on the 1st.
About LABOUM
La Boum is a 1980 French teen romantic comedy film directed by Claude Pinoteau and starring Sophie Marceau, appearing in her film début.
 Wikipedia