Ok, maybe someone may check this out...
I have some issues with the name "Maki Kamiya" that is listed in the credits. I know that it is the name that appears in the booklets (have seen it in a copy my sister have)... but also then, there is this page of MusicBrainz:
https://musicbrainz.org/release/8f39...5-c93de138af53 ... in that page it credits 上谷麻紀 (Maki Uetani) for the same tracks.
Maybe someone have better information, and idea or something else?