Kanon Wakeshima is working with the group Sources on the opening theme of the otome game Rear pheles〜Red of Another〜オープニングテーマ. The song is named Dark Night Rhapsody～akenai yoru no kyōshikyoku. Kanon wrote the lyrics but it's the group Sources who composed the music.
The release of the game is scheduled for summer 2015 on PS Vita.
More information soon...