Have this been posted before? From nikoniko movies.
http://youtube.com/watch?v=wGeieVE5Oig
By the way,if you love suigintou,please vote these sites.
http://www5.atwiki.jp/nicorpg/pages/3942.html
right side,seventh,水銀燈
http://www5.atwiki.jp/nicorpg/pages/3944.html
left side,about middle,水銀燈