"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).[1]
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.