These are songs that Paprika provided for other circles outside of BUTAOTOME, back when she was still a member.

VISTA | Karento [2016-05-08 – Reitaisai 13]
Track 6: Pinhole mind [Reverse Ideology]

luz | Karento [2015-05-10 – Reitaisai 12]
Track 1: Starlight Trip [Yozora no UFO Romance]