Only Korean is confirmed; no English menu, multilingual signage, or translation support is documented.
- Korean-language service confirmed
- No English support listed
- No Japanese or Chinese support listed
- Multilingual signage: not indicated
- Translated menu: not indicated
- No audio or sign-language guide on record
Based on language_support (only korean=true; english, japanese, chinese, multilingual_signage, translation_menu_available all null) and accessibility.audio_guide / sign_language_guide (null). Absence of data does not strictly mean absence of service, but nothing is confirmed beyond Korean.