I can't understand Japanese( The language).So, I use English to introduce this video.(My English is not very good, that's mean maybe there are some problems, sorry).It comes from China.Of course, the dancer is not me. Her name is 莉莉子.If you feel interesting about this video.This is the WEB SITE: http://www.bilibili.com/video/av7233509/It is a dance of 独りんぼエンヴィー.If you like it, thanks.If you don't like it, please do not insult the dancer.And the dancer allow me to sent the video to Niconico from Bilibili.