[巡音ルカ v4x] Sinnermanfor better audio, see this clip there: https://youtu.be/cIqMnPCiVII
http://www.nicovideo.jp/watch/sm28740495
![[巡音ルカ v4x] Sinnerman](https://nicovideo.cdn.nimg.jp/thumbnails/28740495/28740495)