#7 on RIAJ digital download chart (which doesn't include ITunes)
http://satsuki.musicdb.gr.jp/all_inf...ubmitAction.do
#5 on Billboard Japan Hot 100 (apparently this chart
does include ITunes Japan, but not any other digital downloads), #2 on Hot Radio Airplay, #7 on Adult Contempoary Radio Airplay
http://www.billboard-japan.com/
Probably would have been #1-2 on the Hot 100 if they had released a physical single, I think.