Korean is spoken; English and other foreign language support is not confirmed.

• Korean is the primary language of service.
• English-language support is not confirmed.
• No multilingual signage or translated menus are documented.
• No audio guides or translation aids are available.
• A translation app is recommended before visiting.

Based on language_support fields (korean: true; all other language fields null). No data on multilingual_signage, translation_menu_available, or accessibility guides (audio_guide, sign_language_guide all null). Answer reflects only confirmed Korean-language operation.