Unlasting

"Unlasting" (stylized in all lowercase) is a song by Japanese pop singer LiSA. It was released as her sixteenth single digitally on October 21, 2019, and received a physical release on December 11, 2019. It reached number 4 on Oricon and number 6 on Japan Hot 100. It was used as the first ending theme song for the anime series Sword Art Online: Alicization - War of Underworld.

Release
On 6 October 2019, the official website of the anime Sword Art Online: Alicization - War of Underworld revealed about the ending theme song "Unlasting" that would be sung by LiSA. The song was released digitally on 21 October 2019, and received a physical release on 11 December 2019 on three edition; Regular edition, Limited edition and Limited anime edition. The single reached number 4 on Oricon, 6 on Japan Hot 100, and 5 on Japan Hot Animation with spent 17, 6 and 12 weeks respectively. The song will be featured in her fifth album Leo-Nine.

Music video
The music video for "Unlasting" was directed by Kentaro Osawa, and produced by Hiroshi Takayama. The video features a heart-rending story of a breakup between a man and woman in the style of a short dramatic film, with some scene featuring them with rain effect. The video expanded their story from when they were a couple until their breakup. Some scene feature LiSA singing in the room with haze effect. The video ends when both of them part ways.

Personnel

 * Singer and bands
 * LiSA – Vocals, Lyrics (unlasting, Howl)
 * Hidenori Tanaka, Tomoya Tabuchi - Lyrics (KALEIDO, Chill-Chill-Dal-Da)
 * Masaki Nonomura - Erhu Arranger
 * Kanae Nozawa - Erhu performer
 * Shota Horie - Arranger, Other Instruments


 * Production
 * Nobuyuki Murakami – recording, mixing
 * Naoki Kawashima – assistant
 * Akihiro Shiba, TEMAS – mastering