Reason is not known (feat. Saori Terai) [2026] Front Cover

Reason is not known (feat. Saori Terai) [2026]

roborev-0

  • Available on Apple Music
  • Available on Spotify
  • Available on YouTube Music
  • Available on LINE MUSIC
  • Available on Amazon Music Unlimited
  • Available on AWA
  • Available on iTunes
  • Available on Amazon Music
  • Available on recochoku
  • Available on mora
  • Available on Prime Music
  • Available on Amazon Music Free
  • Available on Deezer
  • Available on KKBOX
  • Available on d hits powered by recochoku
  • Available on d music powered by recochoku
  • Available on Music Store powered by recochoku
  • Available on music.jp STORE
  • Available on dwango.jp
  • Available on animelo mix
  • Available on K-POP Life
  • Available on Billboard x dwango
  • Available on OTOTOY
  • Available on utapass
  • Available on Rakuten Music
  • Available on USEN
  • Available on OTORAKU
  • Available on QQ Music
  • Available on Kugou Music
  • Available on Kuwo Music
  • Available on NetEase
  • Available on TIDAL
  • Available on FLO
  • Available on VIBE
  • Available on Melon
  • Available on Qobuz
  • Available on genie
  • Available on TikTok
  • Reason is not known (feat. Saori Terai) [2026] Front Cover

Track List

  • Play music

Release Date: 2013/12/31

※ Preview may take some time.
※ Preview is not available for songs under copyright collective.

The ending theme for the audio drama "Chou Kihei O-Vide".
A heartfelt ballad with a powerful message, exploring the emotional bond between a boy and his friend from another planet.

Artist Profile