title: Secret, Voice of My Heart
text: # Secret, Voice of My Heart
  
  "Secret, Voice of My Heart" (stylized as "Secret, voice of my heart") is a song recorded by Japanese singer songwriter Mai Kuraki. It was released as the first promotional single from her upcoming fourteenth studio album, through Northern Music for digital download on 4 October 2022. The song served as the ending theme song to the Japanese comedy anime television series Detective Conan: The Culprit Hanzawa (2022).
  
  ## Music video
  
  The official lyric video of "Secret, Voice of My Heart" was released on YouTube on February 14, 2023, in celebration of the international release of Detective Conan: The Culprit Hanzawa on Netflix.
  
  ## Charts
  
  ### Weekly charts
  
  | Chart (2022) | Peak position |
  | - | - |
  | Japan Download Songs (Oricon) | 17 |
  | Japan Download Songs (Billboard Japan) | 32 |
  
  ## Release history
  
  | Region | Date | Format | Label | Ref. |
  | - | - | - | - | - |
  | Japan | October 4, 2022 | Digital download | Northern Music | |
  