(SC49) [Baka to Hasami (Tsukai You)] Naisho no Tsuboeri Himitsu no Itsuki (Heart Catch Precure!)
(C82) [Natsu no Umi (Natsumi Akira)] Mama ni wa Naisho no XXX (Smile PreCure!)
[naisho] Ijirare Ayatsuri Ningyou ~Kodomo ga Dekinai Otona no Asobi~
(C93) [Mama ni wa Naisho (Plasma Beach)] Miwaku no Muscle Pose (Dragon Quest XI)
[Nekoya] Kyokutou no Naisho (Kyoukai Senjou no Horizon)
[Nekoya] Kyokutou no Naisho (Kyoukai Senjou no Horizon)[chinese]
[MARUTA] Boku to Kanojo no Hikakuteki Naisho no Nichijou (Complete)
[Maruta] Boku to Kanojo no Hikakuteki Naisho no Nichijou Chapter 1 (English)