ホロウナイト夢見エッセンス
"Horo-Uneito" is a Japanese word that is not commonly found in standard vocabulary. It seems to be a made-up word, and without further context, it's difficult to determine its exact meaning. However, "夢見えせん" (yume-miesen) is a more standard Japanese phrase that means "dream visible" or "dream seen."
If you're looking for information on dream interpretation or dream analysis, the more common Japanese phrase would be "夢の解析" (yume no kaiseki). This refers to the process of interpreting the symbols and events in one's dreams to understand the unconscious thoughts or emotions they may represent.
If "Horo-Uneito" is a term from a specific work of fiction, a particular field of study, or a slang term, please provide more context so I can give you a more accurate answer.