On Thu, 19 Apr 2012, Hironori Kitagawa submitted the
luatex-ja
package.
Summary description: A macro package for typesetting Japanese documents with Lua(La)TeX License type: other-free
Announcement text: ---------------------------------------------------------------------- The LuaTeX-ja package is a macro package for typesetting Japanese documents with Lua(La)TeX. This package supports both the plain format and LaTeX2e.
Developed by the LuaTeX-ja project. http://sourceforge.jp/projects/luatex-ja/wiki/FrontPage(en) Note that this package is still alpha stage.
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This package is located at http://mirror.ctan.org/macros/luatex/generic/luatexja . More information is at http://www.ctan.org/pkg/luatex-ja (if the package is new it may take a day for that information to appear). We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html .
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Thanks for the upload.
For the CTAN Team Rainer Schöpf