(C68) [Studio★ParM (Fujiwara Noriwo, Kotobuki Utage, Tanaka Naburo)] PM06 Ichigo Gari (Ichigo 100%) [English]

(C72) [Studio ParM (Kotobuki Utage)] PM 13 - Koku no Inran Shimai (Tengen Toppa Gurren Lagann)

(C69) [H&K (Kotobuki Kazuki)] Kakutou ane ane SOUL (SoulCalibur)

(C73) [H&K (Kotobuki Kazuki)] Shinigami Zukan Crazy (Bleach, Code Geass)

[Kotobuki Kazuki] Sis Ero Ch. 1-2 [English] {Tadanohito}

[P-Collection, PIGGSTAR (Nori-Haru, Nagoya Shachihachi, Kotobuki Kazuki)] Tarantula (CODE GEASS: Lelouch of the Rebellion)

[Kotobuki Kazuki] Watashitte Eroin desu. | I'm So Naughty [English] {Tadanohito}

[Kotobuki Kazuki] Torokechau no | Enraptured Make Love (Complete) [English] {Tadanohito}

(C74) [Studio ParM (Kotobuki Utage)] PM18 Da Idol (Macross Frontier)

(SC37) [Studio ParM (Kotobuki Utage)] PM 14 - Anata no Nozomu Watashi ni... (School Days)

(SC32) [Studio ParM (Kotobuki Utage)] PM 10 In Nin Shugyou | PM 10 - Indecent Ninja Training (Naruto) [English] [SaHa]

(SC31) [Studio ParM (Kotobuki Utage, Tange Suzuki)] ParM SpeciaL 1 In Nin Shiken | Indecent Ninja Exam (Naruto) [English] [SaHa]

[Kazuki Kotobuki] Ryogyaku no Kajitsu Episode 1

[Kotobuki Kazuki] Watashitte Eroin desu.

[Kotobuki Kazuki] Paradise Game

(SC33) [Studio ParM (Kotobuki Utage, Tange Suzuki)] PM 11 In Nin Dorei | Indecent Ninja Slave (Naruto) [English] [SaHa]

[Kazuki Kotobuki] Rape Me

(C71) [Studio ParM (Kotobuki Utage)] Kan Zyoku Kizoku (Zero no Tsukaima [The Familiar of Zero])

(Comic Castle 2006) [Studio ParM (Kotobuki Utage, Tange Suzuki)] PM 9 In Nin Shiken (Naruto)

(SC32) [Studio ParM (Kotobuki Utage, Tange Suzuki)] PM 10 In Nin Shugyou (Naruto)

(SC33) [Studio ParM (Kotobuki Utage, Tange Suzuki)] PM 11 In Nin Dorei (Naruto)

[Kotobuki Kazuki] M no Chiana

[Kotobuki Kazuki] Hatsujou Mitsueki - Please Try Me Body♡

(C71) [Studio★ParM (Kotobuki Utage)] ParM SpeciaL 04 ToNABUru (To LOVE-Ru) [English] [Seinen-Manga]

(C67) [Studio ArtRoom (Rakurincho, Kotobuki Utage)] AR5 Shakugan no Shana (Shakugan no Shana)

(Puniket 11) [Studio ArtRoom (Kotobuki Utage, Rakurincho)] AR7 Shakugan no Shana 3 Tsuujouhan (Shakugan no Shana)

(SC27) [Studio ArtRoom (Kotobuki Utage, Rakurincho)] AR6 Shakugan no Shana 2 (Shakugan no Shana)

[Studio★ParM (Kotobuki Utage)] Nyaruko ni Biyaku o Nomasarete… (Haiyore! Nyaruko-san) [Digital]

(C66) [Kotobuki noki (Suzuken)] MAGICAL MYSTERY TOUR (Ragnarok Online)

(SC51) [Studio★ParM (Kotobuki Utage)] PM 28 Chichi Imouto (Ore no Imouto ga Konna ni Kawaii Wake ga Nai)

[P-Collection, PIGGSTAR (Nori-Haru, Nagoya Shachihachi, Kotobuki Kazuki)] Tarantula (Code Geass) [English]

(C61) [Hakueki Shobou (A-Teru Haito)] ERO GALS!! (Super Gals! Kotobuki Ran)

[Kotobuki Maimu] Kaiketsu!Ruruko | 幫您解決！留留子 [Chinese]

Taishō roman kotobuki

[Kotobuki Maimu] MUCCHIRISM! [Digital]