Park Seo-joon is attending a launching ceremony to commemorate the launch of a new Sellitton LED mask at the Four Seasons Hotel Grand Ballroom in Jongno-gu, Seoul on the afternoon of the 24th.
The event was attended by Jang So-ra, Park Seo-joon, Ishae, Sea, Account, Lee Chae-young, Brian, Lee Hyun-yi, Yoo Seung-ok, Park Soo-a, Kai and Kim Kyung-ran.
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