I'm going to refer to them by their track names and describe them if I can, since I've not sat down and tried to translate the titles. I scored on the Nerine CD as it had all the music I liked from the show.
Nerine's theme: 丸尾 稔-Shuffle! スペシャルCd ネリネ-General Soundtrack-夢と空が奏でるメロディ ... just lovely, lovely violin theme.
Nerine's witchcraft theme (the first 2/3 of it): 丸尾 稔-Shuffle! スペシャルCd ネリネ-General Soundtrack-Witchcraft ... Nerine's little core of bad-girl
This theme just makes my hair stand up a bit, almost Ray Lynch-like:
丸尾 稔-Shuffle! スペシャルCd ネリネ-General Soundtrack-伝えたい思い ... love the bells.
This one is just ... so happy after the intro part:
丸尾 稔-Shuffle! スペシャルCd ネリネ-General Soundtrack-未来への旅立ち
nice use of basic uplifting chords..