BTS member Bu cheered Park Seo-joon and Choi Woo-shik, who starred in the movie "The Lion" (director Kim Joo-hwan).
On the 31st, BTS official Twitter posted a picture with an article entitled "I was troubled ~ Ugauga # Movie Lion Fighting". Bu, Park Seo-joon, and Choi Woo-shik attracted attention with their playful expressions.
Bui attended the VIP premiere of 'Lion' at Lotte Cinema World Tower on the night of the 30th and cheered Park Seo-joon and Choi Woo-shik.
The three are best friends in the entertainment industry. Bü made friendship with Park Seo-joon in the drama 'Gallery'.
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