is a song by Japanese pop singer Eir Aoi. It was released on her official YouTube on February 8, 2018 as her comeback song from her hiatus, before received a physical release together with the song "Ryūsei" on June 13, 2018 as her fourteenth single. It reached number 8 on Oricon and number 10 on Japan Hot 100. The single mark as her first double A-side single.
Release and reception On 8 February 2018, it was announced that she would resume her activities after her hiatus with the release of the music video on YouTube. The song itself was released together with the song "Ryūsei" on June 13, 2018 as her fourteenth single on three edition; Regular edition, Limited edition and Limited anime edition. The single reached number 8 on Oricon, and 10 on Japan Hot 100. The song was featured in her fourth album "Fragment".
Music video The music video for "Yakusoku" was directed by Yūsuke Tanaka. The video features a lyrics of the song with some footage of Eir Aoi with using blue jacket taking a photo session in the mountain, with some scene featuring a forest and also a mountain
Track listing Regular edition
Limited edition
Limited anime edition
Personnel Singer and bands Eir Aoi – vocals, lyrics ("Ryūsei", "Yakusoku") Kohei Tsunami, Ryosuke Shigenaga, Katsuhiko Kurosu – lyrics Ryosuke Shigenaga – Piano, arranger, other instruments Hiroki Arai - bass Takumi Sone – guitar Taro Yoshida – drums Tomoe Nakajima, Izumi Taniguchi, Nao Yamada - Violin, viola Kana Matsuo - Cello
Production Satoshi Morishige, Nobuyuki Fujiwara – record Kenichi Koga – mixer
Charts YearChartPeak position(shared with Ryūsei) 2017 Oricon10 Japan Hot 1008
Release history RegionDateLabelFormatCatalogJapan13 June 2018Sacra MusicCDVVCL-1255 CD+DVDVVCL-1252CD+DVDVVCL-1256
References