VISTA | Karento [2016-05-08 – Reitaisai 13]
Track 6: Pinhole mind [Reverse Ideology] (arrangement)
Vocals and lyrics by Mamemi.

luz | Karento [2015-05-10 – Reitaisai 12]
Track 1: Starlight Trip [Yozora no UFO Romance] (arrangement)
Vocals and lyrics by Mamemi. An instrumental version of the song is included in the same album.