二酸化炭素はCO218,310 Views SingersKotonoha Akane (VOICEROID)Other Voice SynthesizerKotonoha Aoi (VOICEROID)Other Voice SynthesizerProducersemicolonProducerViews BreakdownNiconico11K ViewsYouTube7.3K ViewsDaily Views18K2/1702/18-11K2/19-7.3K2/2018K2/2152/2202/23VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB
