Actors Park Seo-joon and Kang So-ra attended the launch show of Seliton Platinum held at the Four Seasons Hotel in Dangju-dong, Seoul on the afternoon of the 24th.
About Park Seo-joon
Park Seo-joon is a South Korean actor. He is best known for his starring roles in the television series Kill Me, Heal Me, She Was Pretty, Hwarang: The Poet Warrior Youth, Fight for My Way, What's Wrong with Secretary Kim, and Itaewon Class.
 Wikipedia