[Hiroki Sekiguchi] Kanojo no Nakigoe [セキグチヒロキ] 彼女の啼き声

(C75)[Tokyo Tomodachi Kouen (Sekiguchi Hiroki)] Tsugu Milk (Kannagi)

[Tokyo Tomodachi Kouen (Sekiguchi Hiroki)] Hatsujou Iorin (THE iDOLM@STER)

[Sekiguchi Hiroki] Hazukashime

(C69) [Toukyou Tomodachi Kouen (Sekiguchi Hiroki)] Takamaru Tama Onee-chan 2 (ToHeart 2)

(iDOLPROJECT) [Tokyo Tomodachi Kouen (Sekiguchi Hiroki)] Hatsujou Ricchan (THE IDOLM@STER)

(C79) [Tokyo Tomodachi Kouen (Sekiguchi Hiroki)] Ningen ni Sayou suru Mahou Kouka no Sho | A Magical Tome Fit for a Human (Dragon Quest III) [English] [Chocolate]

(C78) [Tokyo Tomodachi Kouen (Sekiguchi Hiroki)] Hikisaki (Saki)

(C79) [Tokyo Tomodachi Kouen (Sekiguchi Hiroki)] Ningen ni Sayou suru Mahou Kouka no Sho (Dragon Quest III)

(C94) [Yumesaki Annai Kairanban (Hiro Hiroki)] Anna-chan ni Anna Koto Yattemita!! (Kiratto Pri Chan)

[Tokyo Tomodachi Kouen (Sekiguchi Hiroki)] hatsujou ritchan (THE IDOLM@STER)