素材集 https://drive.google.com/drive/folders/1kaOKQ62p0pKtvdryUhaeSPV5FzRdePYd?usp=sharing 参加者募集 詳しくは https://docs.google.com/document/d/1zWUNdnZeXBFbKpPFnnDvFSVEYaz1MNd8LpI7t9z4Lwc/edit?usp=sharing
http://www.nicovideo.jp/watch/sm39005583
