Secret of My Heart

"Secret of My Heart" is a song by Japanese singer songwriter Mai Kuraki, taken from her debut album Delicious Way (2000). It was released on April 26, 2000 and peaked at number two on the Oricon Weekly Singles Chart.

"Secret of My Heart"
Single by Mai Kuraki
from the album Delicious Way
B-side"This Is Your Life"
ReleasedApril 26, 2000 (2000-04-26)
LabelGiza Studio
Songwriter(s)Mai Kuraki, Aika Ohno,
Mai Kuraki singles chronology
"Stay by My Side"
"Secret of My Heart"
"Never Gonna Give You Up"
Music video
"Secret of My Heart" on YouTube

It was used as an ending theme for the anime series Detective Conan, for which she would later sing 20 more theme songs.[1] "Secret of My Heart" was certificated Million by Recording Industry Association of Japan and won the Japan Gold Disc Award for Song of the Year.[2]

Commercial performanceEdit

"Secret of My Heart" debuted at number two on the Oricon Weekly Singles Chart with 410,550 physical copies sold. The song charted on the chart for 16 weeks and has sold over 968,980 physical copies. "Secret of My Heart" became the singer's second best-selling song behind "Love, Day After Tomorrow" (1999) and has been certificated Million for physical sales and Gold for digital sales by Recording Industry Association of Japan.

Track listingEdit

1."Secret of My Heart"Cybersound4:24
2."This is Your Life"
  • Kuraki
  • Ohno
3."Secret of My Heart" (Runnin'around at the "Village" Mix)
  • Kuraki
  • Ohno
Division of Mark6:44
4."Secret of My Heart" (Instrumental)
  • Kuraki
  • Ohno
12" vinyl
1."Secret of My Heart" (Mark Of the Division Mix)Division of Mark 
2."Secret of My Heart" ("Vanguard" After Hours Session's Mix)
  • Kuraki
  • Ohno


Certification and salesEdit

Region Certification Certified units/sales
Japan (RIAJ) Million 968,980 (physical sales)
Gold 100,000+ (digital sales)


  1. ^ "Japanese singer Mai Kuraki claims animation theme songs record for Detective Conan aka Case Closed". Guinness World Records. July 27, 2017.
  2. ^ "第15回日本ゴールドディスク大賞".

External linksEdit