1&4. https://www.nicovideo.jp/watch/sm374897892. https://www.nicovideo.jp/watch/sm36667148 https://www.nicovideo.jp/watch/sm365031633. https://www.nicovideo.jp/watch/sm36145967Twitter ▷ https://twitter.com/mode_oooooYouTube ▷ https://www.youtube.com/channel/UCwdO8wwYCQhyuU-TZ7Sd0pw
http://www.nicovideo.jp/watch/sm37742046
