"Your Best Friend" is the single by Japanese singer-songwriter Mai Kuraki. It was released on 19 October 2011 through Northern Music, as the third single from her tenth studio album Over the Rainbow. The song served as the theme song to the Japanese animated television series Case Closed.
Information "Your Best Friend" is the 40th ending theme for Detective Conan. "Step by Step" is the official theme song for the Mie Prefecture-based Nemu no Sato Hotel and Resort.New TVCM for 2011 Nemu no Sato Hotel and Resort
Both songs were written and arranged by Kuraki and Giorgio "Giorgio 13" Cancemi from the R&B duo So' Fly. Cancemi, a Japanese-Italian, is also behind the song "Doshite Sukinandaro", a song by Cancemi's solo project Nerdhead (on Universal Music Japan label), which featured Kuraki on vocals.
Music video and radio airplay This song was launched on Space Shower TV and bayfm Chiba two weeks before its official release.
Track listing
Charts Weekly charts Chart (2011) PeakpositionJapan (Oricon)Oricon Weekly Singles Chart, 2011/10/31 6th-10th6Japan (Japan Hot 100)10Japan (Japan Hot Animation)2Japan (Japan Top Singles Sales)10Japan (Japan Hot 100 Airplay)21Japan Download (RIAJ Digital Track Chart)11Taiwan (G-Music Combo Chart)14Taiwan (G-Music Asian Pop Chart)3
Monthly charts Chart (2011) PeakpositionJapan (Oricon)Oricon Monthly Singles Chart, 2011/10/31 21st-30th25
Yearly charts Chart (2011) PeakpositionJapan (Oricon)261
Release history Region Date Label Format Catalog number Japan October 19, 2011 Northern Music CD, CD+DVD, Musing VNCM-6024 (CD Only), VNCM-6023 (CD+DVD), VNCF-6024 (Musing) Hong Kong October 28, 2011 Forward Music CD 11-20758 TaiwanYour Best Friend (GMusic) South KoreaYour Best Friend (C&L Music) November 1, 2011 C&L Music CD+DVD CNLR-1123
See also Mai Kuraki discography Case Closed discography
References
External links Mai Kuraki Official Website
Your Best Friend (CD Only) on CD Japan Your Best Friend (DualDisc) on CD Japan Your Best Friend on HMV Japan Your Best Friend on Oricon