Korean language only; no confirmed English, Japanese, or Chinese staff or signage.

• Korean language confirmed as available
• No English menu or staff support documented
• No multilingual signage, Japanese, or Chinese support recorded
• Audio guides, sign language, or visual accessibility aids not available
• Translation menu availability not confirmed

Based on language_support field showing korean=true but english, japanese, chinese_simplified, chinese_traditional, multilingual_signage, and translation_menu_available all null. No accessibility.audio_guide or sign_language_guide data. Honest gap: specific staff language capabilities and menu format not detailed in source data.