Compositeur: Mina Kubota
Paroles: Eri Kawai
Voix: Yui Makino
Titre: Undine
Opening (version vidéo)
Hoho wo naderu yasashii kaze
Namioto ni yurarete
Karada no naka hodokete yuku yo
Me wo tojite mietekuru
Kaze no yuku michi ga
Saa kogi dasou hikaru nami e
Egao ga sugu koboreru
Nee tsutae you
Kono tokimeki kaze ni naotte
Anata no moto e yukuwa undine
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Compositeur: Katsutoshi Kitagawa
Paroles: Katsutoshi Kitagawa
Voix: Round Table feat. Nino
Titre: Rainbow
Ending (version vidéo)
Tenohira no ue ni sotto noseta
Yasashisa wo atatomete sotto
Kuchizusanda himitsu no melody
Utatte yo iku ate mo nai kedo
Demo furidashita ame mo
Kinishinai zutto soba ni iru kara
Ikutsumono niji koete yukeru yo
Futari de over the rainbow
Chiisana hikari hoshi ni negai wo
Kanaete yo kitto aoi tori
Mune ippai ni ai wo
Atsumete yo kito rainbow
Kokoro ni wa itsumo ai wo
Koetekuwa kitto rainbow
