誰しもこの発想にたどり着くはずYoutube: https://www.youtube.com/channel/UCFGQbK3x3gVKnxjkXeXSy5A/playlists?view_as=subscriberTwitter:https://twitter.com/mashita2525 制作物まとめ: mylist/32713343
http://www.nicovideo.jp/watch/sm40593091