Language support is limited to Korean; English and other foreign languages are not confirmed available.

• Korean is the primary language; English language support is not confirmed
• No multilingual signage or translated menus are documented
• No audio guides or sign language interpretation services listed
• Communication may be difficult for non-Korean speakers

Based on language_support field showing korean=true with all other languages (english, japanese, chinese_simplified, chinese_traditional) null or unconfirmed; multilingual_signage and translation_menu_available fields null; accessibility guides (audio_guide, sign_language_guide) not available. Answer is limited by lack of explicit confirmation of what languages staff speaks.