documentclass[varwidth, preview]{standalone}
usepackage[spanish]{babel}

% Due to a bug in Babel 3.22, we must override the OpenType
% language and script features for Japanese, and several other
% languages.
babelprovide[language=Japanese, script=Kana]{japanese}

% Implicitly causes babel to load fontspec:
babelfont[japanese]{rm}{Noto Sans CJK JP}

% Implicitly loads fontenc with [T1]:
usepackage[poorman]{fourier}

begin{document}
¿Es foreignlanguage{japanese}{日本} Utopía?
end{document}

documentclass[varwidth, preview]{standalone}
usepackage[T1]{fontenc}
usepackage{textcomp}
usepackage[utf8]{luainputenc} % Needed to mix NFSS and Unicode
usepackage[spanish]{babel}
usepackage[no-math]{fontspec}

defaultfontfeatures{ Scale = MatchUppercase }
newfontfamilyjapanesefont{Noto Serif CJK JP}[
  Language = Japanese,
  Script = Kana ]

newcommandtextjapanese[1]{{japanesefont #1}}

usepackage[poorman]{fourier}

begin{document}
¿Es textjapanese{日本} Utopía?
end{document}