Harder, Better, Faster, Stronger988,116 Views SingersKotonoha Akane (VOICEROID)Other Voice SynthesizerKotonoha Aoi (VOICEROID)Other Voice SynthesizerTouhoku KiritanVoiceroidProducernijimi konniroProducerViews BreakdownNiconico703K ViewsYouTube285K ViewsDaily Views859/232869/244649/251629/262739/272979/282909/29VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB