"Quincy / Kono Yo no Shirushi" is BoA's 13th Japanese single. "Kono Yo no Shirushi" is the song featured on Calpis commercial. This single was not included on any of her full studio albums but was on her best selling compilation album Best of Soul, which was also her second highest selling album.
Track listing Quincy Kono Yo no Shirushi (コノヨノシルシ) Quincy (Instrumental) Kono Yo no Shirushi (コノヨノシルシ) (Instrumental)
Charts ReleaseChartPeak positionSales total1 September 2004Oricon Weekly Singles Chart482,614
References