Ryu Matsuyama releases 'flow feat. Yuko Ando' for anime 'The Crimson River'

By Sam 2 October 2026

Ryu Matsuyama released the digital single "flow feat. Yuko Ando" today. The track is the second cour ending theme for the anime The Crimson River (天は赤い河のほとり).

Ryu Matsuyama album artwork for Somewhere Somehow

Ryu Matsuyama first performed the track with Yuko Ando at a collaborative live event with odol at Tokyo Kinema Club on September 12.

Details for his fifth album, Somewhere Somehow, were also announced. His fifth album, Somewhere Somehow, will be released on December 9. The cover art was created by Minori Iwamoto, who also worked on his previous album Voyager2.

Somewhere Somehow will contain 10 tracks. This includes "flow feat. Yuko Ando" and "Rain feat. Ryohu." Koki Moriyama of odol handled arrangement on most songs, with mixing by Keisuke Mukai and mastering by Masayuki Moroishi.

Two tracks from the album will be released digitally ahead of the full album: "Higher Up" on October 21 and "Rain feat. Ryohu" on November 18. Pre-orders for the CD are now open.

A one-man tour titled "Somewhere, Someday" will accompany the album release. It begins on December 27 at Music Club JANUS in Osaka and includes dates in Nagoya, Hamamatsu, Tokyo, and Sapporo through February. A ticket lottery is currently underway.