niconico初投稿です！RaiのTwitter→ https://twitter.com/R__ait?t=WOietvy6lXaMCRcIRjvwoA&s=09MIX → https://twitter.com/sialu__xxx?t=tADYNg7fOr48T7YdGAcO5g&s=09
http://www.nicovideo.jp/watch/sm39490370
