[twitter] http://twitter.com/ryu_jdacheri [mixi] http://mixi.jp/show_profile.pl?id=25318107&from=navi [ameba] http://ameblo.jp/dzjts9/ [youtube] http://www.youtube.com/user/ryujda/videosguitar cover
http://www.nicovideo.jp/watch/sm18412796
