Talk:Yume Nikki Hazard (ゆめにっきハザード)/@comment-26383442-20170830185923/@comment-24527051-20170830193743

Do you have the Japanese RPG Maker 2003 RTP installed?

I'll give you the link: https://tkool.jp/support/download/rpg2003/rtp

I recommend switching to Japanese locale before downloading and installing.