Try this. I'm not sure which variant you're looking for. The expert
form glyph omits one of the dots on the left hand side.
\documentclass{article}
\usepackage{fontspec}
\begin{document}
\fontspec{Kozuka Mincho Pr6N}辻
\addfontfeature{RawFeature=+expt}辻
\end{document}
HTH,
Andy