F/GOGO
[Kotobuki Kazuki] Kaichou no Himitsu Nikki
Comic Masyo 2007-05
(C43) [Office Neko (Various)] Milky Syndrome EX (Various)
WEB Bazooka Vol.4
[Almarosso] Shoushika o Kaiketsu Suru Houritsu ga Dekita Kekka... 2 | The Consequence of the Birthrate Solution Law... 2 [English] [desudesu]
Tadashii Pet no Tsukurikata Soushuuhen
Dokidoki Osanpo SEX
COMIC DOLPHIN 2004-01
プライベート妄想エロ絵集
[Kotobuki Kazuki] Hounyuu no Ryoujokuteki na Nichijou
[Tiramisu (Kotobuki Maimu)] Bimbo-gami Taisan! [Digital]
[St. Rio] Baku-ON! 2 (K-ON)
COMIC Masyo 2010-04
Karyou Sakuragumi Etsu [2010-11]
(SC27) [Studio ParM (Fujiwara Noriwo, Kotobuki Utage)] PM3 Zoku Niku Benki Tte... Nan Desu Ka? | Why am I Working as a Sex Slave? (Genshiken) [Digital]
(Quartet Score 4) [Inukare (Inuyashiki)] XXX ME (Uta no Prince-sama)
(SC39) [Studio ParM (Kotobuki Utage)] PM16 Niku Joku Kan (Kidou Senshi Gundam 00)
[Kotobuki Kazuki] Watashitte Eroin desu.
(C78) [Jouji Mujoh (Shinozuka George)] Ura Mugi (K-ON!) [English] [CGrascal]
(SUPERKansai19) [fu@fua (Amu)] Ai★Holic (Uta no Prince-sama)
Shu 5 to Yajuu - Chubby and Beasts
K-ON-bu tte Nani suru toko desuka?
(C71) [Studio ParM (Kotobuki Utage)] ParM SpeciaL 4 ToNABUru (To LOVE-Ru)
Chiisaku Natte OL ni Itazura Shiyo tto
[Studio★ParM (Kotobuki Utage)] Nyaruko ni Biyaku o Nomasarete… (Haiyore! Nyaruko-san) [Digital]
[Studio Parm (Kotobuki Utage)] Anata... Gomennasai 2 Netorare Mama Hen | Darling... I'm Sorry 2 - Netorare Mama (Smile Precure!) [English] {doujin-moe.us} [Digital]
COMIC Megastore H 2005-06
(C67) [Studio ParM (Danc'n-MOSIUR in the GALAXY, Kotobuki Utage)] PM2 Niku Benki Tte... Nan Desu Ka? (Genshiken)
(C76) [HiKick★Bath (Touga Kotobuki)] Rin to Shite Saku Hana no Gotoku (Axis Powers Hetalia)
[Umashika] Mitsubachi no Sasayaki
(C80) [Studio★ParM (Kotobuki Utage)] PM 30 Chichi Imouto 3 (Ore no Imouto ga Konna ni Kawaii Wake ga Nai)
[Oizumi] けいおん!!ヴァーサス (K-ON!)
(C78) [Fountain's Square (Hagiya Masakage)] HEAT FLOOR (K-ON!) [English] =Little White Butterflies=
(C61) [Oh!saka Spirits (Various)] Love Yamairo. (Hikaru no Go)
[Kotobuki Maimu] Nurunuru Gakuen Harem ~ Ukkari JK to Ecchi Shimakuri!!
(C78) [Okina Keikaku (Shiwasu no Okina)] GTT Ganshago Tea Time (K-ON!) [English] =Little White Butterflies=
Kuroiro Jikan - Black Time
[GT Wanko] Endless Summer (K-On!)
(C72) [Studio ParM (Kotobuki Utage)] PM 13 - Koku no Inran Shimai | PM13 - The Guilty Slut Sisters (Tengen Toppa Gurren Lagann) [English]
Reon Ga Sonchou To Tatakatte Iru Toki No Ashurii-chan
(C78) [ERECT TOUCH (Erect Sawaru)] Mugippai♪ (K-ON!)
[Lezmoe! (Oyu no Kaori)] K-ON Bon?! (K-ON!) [English]
[Kazuki Kotobuki] Rape Me
(C57) (同人誌) [DoomComic] DOPYU!
(C78) [Fountain's Square (Hagiya Masakage)] HEAT FLOOR (K-ON!)
[Kotobuki Kazuki] Zutto Oneechan no Turn!!
Makarasan to issho! | Junto con Makarasan!
GROOVY GIRLS X-RATED
COMIC Megastore H 2009-04
(COMITIA107) [goo-paaa (Ocha)] Yojo-han Bunny
(C60) [H&K (Kotobuki Kazuki)] Rodeo Tandem Beat Specter (Final Fantasy X)
ごきげんブレンド
No-pan Cheer Girl! ~Kaikyaku Kupaa de Ore no Yaruki mo Asoko mo Binbin! Vol. 1
(C81) [Jishaku no Sunaba (Porosuke)] Yui Azu Tinpo Mugi Anal + Omakebon (K-ON!) [English] [Kamikakushi]
[Kotobuki Kazuki] Sis Ero [English] {Tadanohito}
K-ON! BOX 2
(C80) [Jouji Mujoh (Shinozuka George)] Nuki Mugi (K-ON!)
(COMIC1☆5) [KABAYAKIYA (Unagimaru)] Mugi-chan no Himitsu no Arbeit 3 | Mugi-chan's Secret Part Time Job 3 (K-ON!) [English]
(C80) [Jouji Mujoh (Shinozuka George)] Nuki Mugi (K-ON!) [Decensored]
(C75) [Studio ParM (Kotobuki Utage)] PM19 Futanari Ranka to Harabote Nanase (Macross Frontier)
Comic Masyo 2008-02
ABUMIX Vol. 014 [Digital]
COMIC Shitsurakuten 2004-05
secret tea time
(C92) [H&K (Kazuki Kotoburi)] Kage no Onna… (NARUTO)
(SC32) [Studio ParM (Kotobuki Utage)] PM 10 In Nin Shugyou | PM 10 - Indecent Ninja Training (Naruto) [English] [SaHa]
[Ohnuma Hiroshi] POSSESSION
(C48) [Takashimada Store (Various)] Kakutou Game Hon (Various)
aonani
Houkago Unchi Time Final | 放學後大便TIME Final
(SC33) [Studio ParM (Kotobuki Utage, Tange Suzuki)] PM 11 In Nin Dorei | Indecent Ninja Slave (Naruto) [English] [SaHa]
(C81) [KI-SofTWarE (Kiken Shisou, Musabetsu Bakugeki)] Ki Kotobuki Tsumugi 2 (K-ON!) [Digital]
COMIC HOTMiLK Koime Vol. 12 [Digital]
AMAIRO ISLENAUTS OFFICIAL VISUAL FAN BOOK
友人の母親に筆おろしされました 中文翻譯
(SC28) [Studio ParM (Kotobuki Utage)] PM04 Shuu Nikubenkitte...Nandesuka? (Genshiken)
[Mokusei Zaijuu] Shojo!! Sotsugyou!! (K-ON!)