[XX-ya tte koto wa Naisho da. (Naisho da.)] Doremi-sama Doremi-sama Doremi-sama (Ojamajo Doremi)

(C65) [Naisho no Tsubomi (Unazuki Renge)] Naisho no Tsubomi (Various)

[Sasahara Yuuki] Naisho no Happyoukai. - A Secret Recital | 秘密的发表会 [Chinese] [Digital]

(Shotaket 11) [Studio Rakkyou (Various)] Tsubasa x4 no Naisho (Naisho no Yorimichi)

[Sasahara Yuuki] Naisho no Happyoukai. - A Secret Recital

(C88) [Mama ni wa Naisho (Plasma Beach)] Chan nana no Shokutaku (GOD EATER)

(Shotaket 11) [Sorairo March (Narusawa Sora)] SECRET FILE (Naisho no Yorimichi)

(C90) [Mama ni wa Naisho (Plasma Beach)] Kinniku Bokujou (THE IDOLM@STER)

[Sasahara Yuuki] Naisho no Happyoukai. - A Secret Recital [Digital]

(Shotaket 11) [Studio Rakkyou (Various)] Tsubasa x4 no Naisho (Naisho no Yorimichi) [English]