(C65) [NEKOYA-SYSTEMZ (Okazaki Nao)] San de ja pon! ~ Nichiyobi no asa wa moete iru ka ~ (Ashita no Nadja)
[NEKOYA-SYSTEMZ (Okazaki Nao)] Nano-chin ☆ Fa-chin ++ (Plus Plus) (Mahou Shoujo Lyrical Nanoha) [Digital]
(C65) [NEKOYA-SYSTEMZ (Okazaki Nao)] San de ja pon! ~ Nichiyobi no asa wa moete iru ka ~ (Ashita no Nadja)
(C73) [NEKOYA-SYSTEMZ (Okazaki Nao)] Ikutsu ni Nattemo Mahou Shoujo desu ga Nani ka (Mahou Shoujo Lyrical Nanoha)
[NEKOYA-SYSTEMZ (Okazaki Nao)] Nano-chin ☆ Fa-chin ++ (Love Love) (Mahou Shoujo Lyrical Nanoha) [Digital]