I Wish I Had a Shatterproof Heart5,288,802 Views SingersSF-A2 Codename mikiVocaloidIAVocaloidProducerIshifuroProducerViews BreakdownYouTube4.7M ViewsNiconico591K ViewsDaily Views1.2K7/271.5K7/281.7K7/291.5K7/301.4K7/311.3K8/011.2K8/02VideorefreshRefresh Song DataListenYouTubeNiconicoVocaDB