"Growing of My Heart" is a song recorded by Japanese singer and songwriter Mai Kuraki, which she released as the lead single from her sixth album, Diamond Wave (2006). The song was written by Kuraki herself, Aika Ohno and Takeshi Hayama and released on November 9, 2005.

"Growing of My Heart" was a commercial success, reaching number seven in Japan and selling approximately 62,000 copies. The song served as the sixteenth opening theme to the Japanese television anime series, Case Closed.

Track listing

CD single
No.TitleWriter(s)Length
1."Growing of My Heart"Mai KurakiAika OhnoTakeshi Hayama4:27
2."Seven Nights"KurakiOhnoHayama4:09
3."Winter*Swear"KurakiCybersound3:47

Charts

Chart (2005)Peak position
Weekly charts Chart (2005) Peak position Japan (Oricon) 7Monthly charts Chart (2005) Peak position Japan (Oricon) 13
Japan (Oricon)7
Chart (2005)Peak position
Japan (Oricon)13

Certification and sales

RegionCertificationCertified units/sales
Japan (RIAJ)None62,299

Release history

RegionDateFormatLabelRef.
JapanNovember 9, 2005CD singleGiza Studio