Sunny Days97,058 Views SingersKoharu Rikka (Unknown)Synthesizer VNatsuki KarinSynthesizer VHanakuma ChifuyuSynthesizer VProducerYukino ItoProducerViews BreakdownNiconico75K ViewsYouTube22K ViewsDaily Views589/23509/24619/25499/26449/27459/28549/29VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB