Wonderful Octave -Ryunosuke ver.-

Wonderful Octave -Ryunosuke ver.- is sung by Ryunosuke Tsunashi's voice actor, Takuya Sato. The song lyrics were written by, and the song was composed and arranged by.

Wonderful Octave -Ryunosuke ver.- was released on Ryunosuke Tsunashi's birthday as part of his Wonderful Octave Single in 2019. It was also added to the game on the same day, and becomes available in normal lives after clearing Part 1 Chapter 1.6.