Silence - n-buna ft. Sarah Furukawa( https://youtu.be/Y1K-ZD2bB8M )YouTube https://youtu.be/wkGC-uHqAvk 【夏憂】YouTube: https://www.youtube.com/channel/UCxmcsAu1a_dwO694XR7SkLwTwitter : https://twitter.com/nayu_ibasyo
http://www.nicovideo.jp/watch/sm40480444