Yon-gok Kkuk-jeo-gu-tang offers Korean and Japanese language support; English assistance not confirmed.

• Korean language support confirmed
• Japanese language support confirmed
• English-language assistance not documented
• No translated menus or multilingual signage confirmed
• Translation and accessibility guides not available

Based on language_support fields (korean=true, japanese=true; english, chinese_simplified, translation_menu_available all null). No data on multilingual signage, audio guides, or staff language capabilities beyond the two confirmed languages.