Yakusoku wa Tokete.57,384 Views SingersKotonoha Akane (VOICEROID)Other Voice SynthesizerKotonoha Aoi (VOICEROID)Other Voice SynthesizerKizuna Akari (VOICEROID2)Other Voice SynthesizerYuzuki Yukari ReiCeVIO AIYuzuki Yukari (VOICEROID)Other Voice SynthesizerProducerHaniwaProducerViews BreakdownYouTube43K ViewsNiconico14K ViewsDaily Views712/1715812/181012/19612/20812/217112/223612/23VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB