Korean is supported; English, Japanese, and Chinese language services are not confirmed.

• Korean language service is confirmed
• English, Japanese, and Chinese support status unknown
• No multilingual signage or translated menu documented
• No audio guides, sign language interpretation, or other accessibility language aids listed
• Foreign travelers without Korean proficiency should prepare translation tools or arrange assistance

Based on language_support.korean=true; all other language fields and multilingual signage/translation_menu_available are null. No accessibility guides (audio_guide, sign_language_guide) are recorded. Answer reflects only confirmed data; absence of information does not mean services are unavailable—recommend contacting the restaurant directly.