Actor Park Si-eun attended the SBS drama 'Thirty but Seventeen' Party with staff at a restaurant in Yeouido-dong, Yeongdeungpo-gu, Seoul on the afternoon of the 18th.
About Shi-eun
Park Si-eun is a South Korean singer and actress. After debuting as a child actress in 2014, she starred in several television series and films, winning the award for Best Young Actress at the 2018 SBS Drama Awards for her role as young Woo Seo-ri in Still 17.
 Wikipedia