LuaLaTeXで数式内のギリシア文字を変更

greek-math.tex

\documentclass{article}

\usepackage{unicode-math}
\setmathfont{latinmodern-math.otf}
\setmathfont{CollectorComic}[range=up]
\setmathfont{CollectorComic-Italic}[range=it->up]
\setmathfont{CollectorComic-Bold}[range=bfup->up]
\setmathfont{CollectorComic-BoldItalic}[range=bfit->up]

\begin{document}
$\gamma_{0} + \delta_{2} + \lambda^{1} + \psi^{\alpha}$
\end{document}