聽見了合成器怪物的聲音music‚illustration:nihilvocal:初音ミクV4X(Dark‚Original)
http://www.nicovideo.jp/watch/sm43273078
![nihil [Synthesizer Monster] feat.初音ミクV4X [Original Music]](https://nicovideo.cdn.nimg.jp/thumbnails/43273078/43273078.4308468)