Kimi no Shiranai Monogatari
... that "Kimi no Shiranai Monogatari" was the first release by the Japanese J-pop music group Supercell to feature a human singer?
... that "<b id="mwCkQ"><a href="./Kimi_no_Shiranai_Monogatari" id="mwCkU" rel="mw:WikiLink" title="Kimi no Shiranai Monogatari">Kimi no Shiranai Monogatari</a></b>" was the first release by the Japanese <a href="./J-pop" id="mwCkY" rel="mw:WikiLink" title="J-pop">J-pop</a> music group <a href="./Supercell_(band)" id="mwCkc" rel="mw:WikiLink" title="Supercell (band)">Supercell</a> to feature a human singer?