Comic Megastore H 2008-03
(C94) [H&K (Kotobuki Kazuki)] F/GO (Fate/Grand Order)
(C92) [H&K (Kazuki Kotoburi)] Kage no Onna… (NARUTO)
(C92) [Samurai Ninja GREENTEA] Rakuen Keikaku Darkness 2nd -Anaphylaxie is inevitable- Futanari Yami Futatabi (To LOVE-Ru Darkness)
[Kotobuki Kazuki] Kaikan Jukujo Massage 1-3
[Kotobuki Kazuki] Chigyaku no Wana | A Naughty Trap Ch. 1-3 [English] [desudesu] [Digital]
[Kotobuki Kazuki] Sis Ero Ch. 1-9 [English] {Tadanohito}
[Kotobuki Kazuki] Sis Ero Ch. 1-4 [English] {Tadanohito}
[Kotobuki Kazuki] Sis Ero [English] {Tadanohito}
[Chiyoki] All Les Princess Ch. 1-2, 6
[Kotobuki Kazuki] Chigyaku no Wana Ch. 1-3 [Digital]
[Kotobuki Kazuki] Sis Ero Ch. 1-5 [English] {Tadanohito}
[Kotobuki Kazuki] Torokechau no | Eraptured Make Love Ch. 1-6 [English] [Tadanohito]
[Kotobuki Kazuki] Enraptured Make Love Ch. 1-8 [English] {Tadanohito}
[Kotobuki Kazuki] Zutto Oneechan no Turn!! | It's My Turn Forever!! [English] {Tadanohito}
[Kotobuki Kazuki] JUICY SWEETS
COMIC Megastore-H 2010-01
COMIC Masyo 2011-04
COMIC Bazooka 2011-10
(C79) [H&K (Kotobuki Kazuki)] Climax Ecstacy (BAYONETTA)
[Kotobuki Kazuki] Torokechau no
(C58) [H&K (Kotobuki Kazuki)] Koufuku no Rakuin TOMOE Hen
(C58) [H&K (Kotobuki Kazuki)] D.O.E Day of Execution (Dead or Alive)
COMIC Masyo 2010-06
(C52) [H&K (Various)] SHIN EROMANGA KENKYUUJO
Comic Masyo 2009-12
COMIC Masyo 2009-10
[Kotobuki Kazuki] Sis Ero
COMIC Masyo 2009-08
COMIC Megastore H 2009-04
(C68) [P-collection, PIGGSTAR (Nagoya Shachihachi, nori-haru, Kotobuki Kazuki)] Ichigo Hankachou (Kari) 2 (Ichigo100%)
COMIC Shitsurakuten 2004-12 (Incomplete)
COMIC Himezakura 2005-02 Vol. 2
[Kotobuki Kazuki] Kanro
COMIC Himezakura 2005-04 Vol. 4
Comic Masyo 2008-11
ABUMIX Vol. 016 [Digital]
[Kotobuki Kazuki] Hounyuu no Ryoujokuteki na Nichijou
[Anthology] Shin Bishoujo Shoukougun 3 Yamato hen
COMIC DOLPHIN 2003-12
[Anthology] MOMOPAN 29 [Digital]
[Kotobuki Kazuki] Predator
COMIC Megastore H 2010-03
(C68) [H&K (Kotobuki Kazuki)] Kakutou Ane Ane (Rumble Roses)
[Kotobuki Kazuki] Lust
Comic Bazooka DEEP 2007-07 Vol.1
Comic Bazooka DEEP 2008-01 Vol.4
(C49) [H&K (Various)] Ero Manga Kenkyuujo FIRE (Various) [Incomplete]
Comic Masyo 2007-01
(C62) [H&K (Kotobuki Kazuki)] Kyokutou Mayonnaise (Dead or Alive)
[Kazuki Kotobuki] Ryogyaku no Kajitsu Episode 2
(C64) [H&K (Kotobuki Kazuki)] Zecchou Chest! (SoulCalibur)
3o3e (Gear Fighter Dendoh)
(C69) [H&K (Kotobuki Kazuki)] Kakutou ane ane SOUL (SoulCalibur)
COMIC Megastore H 2006-10
(C73) [H&K (Kotobuki Kazuki)] Shinigami Zukan Crazy (Bleach, Code Geass)
COMIC Megastore H 2006-12
COMIC Megastore H 2006-03
COMIC Megastore H 2005-11
COMIC Megastore H 2004-03
COMIC Megastore H 2005-09
COMIC Megastore H 2004-02
COMIC Megastore H 2004-05
COMIC Megastore H 2006-06
Comic Megastore H 2006-09
COMIC Megastore H 2004-04
[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}
Comic Masyo 2009-01
Comic Masyo 2009-03
Comic Megastore H 2004-07
COMIC Megastore H 2004-08
COMIC Megastore H 2004-11
COMIC Megastore H 2004-10
COMIC Megastore H 2005-01
COMIC Megastore H 2005-04
[Kazuki Kotobuki] Ryogyaku no Kajitsu Episode 1
COMIC Megastore H 2007-10
[ROYALWATTS] PANTER B Sick Edition (Shaman King)
[Kotobuki Kazuki] Watashitte Eroin desu.
[Kotobuki Kazuki] Paradise Game
COMIC Megastore H 2005-03
[Kazuki Kotobuki] Rape Me
COMIC Megastore H 2004-06
COMIC Momohime 2006-03 Vol. 65