(C78) [Mama ni wa Naisho (Purukogi Beach)] Exquisite Chocolate (Dragon Quest IV)

[Mama ni wa Naisho (Plasma Beach)] Luscious Beef Cake PLATINUM (Tekken)

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

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

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

Hitozuma Club Glass no Kutsu

Bokutachi no Jupiter Obasan. Yasashisugiru Hitozuma wa Shounen Youma no Nikubenki

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

Hotaru to Chibiusa no Hajimete no Naisho

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