(C58) [H&K (Kotobuki Kazuki)] Koufuku no Rakuin TOMOE Hen
(Kemoket 4) [ryusuke works (Nagareboshi Purin)] PRINCESS LESSON (Super Mario Brothers)
(CR33) [Kotobuki Chop, PIGGSTAR (Kaeru Jiro, Nagoya Shachihachi, Kotobuki Kazuki)] Ichigo Hankachou (Kari) (Ichigo 100%)
[Kotobuki Mairo] Ai no katachi | Form of love (comic KURiBERON DUMA 2022-11 Vol.42) [English][innyinny]
COMIC Mugen Tensei 2019-03
COMIC Potpourri Club 2011-09
Comic Mugen Tensei 2014-03
Otouto Maid to Ichinichi-juu | All-day Younger Brother Maid
(C68) [Anime BROTHERS (Itsuki Kousuke)] PixelitA 04
COMIC MUJIN 2013-10
(C76) [CELLULOID-ACME (Chiba Toshirou, Itou Yuuji, mdo-h)] Hi‐SICS 04 (K-ON!) [English] {doujin-moe.us}
[COMA (Hyzui)] Sex Guilty Rock'n'Ro!! (Uta no Prince-sama)
COMIC Mugen Tensei 2020-12
[Anthology] Karyou Sakuragumi Etsu 2012-01 [2011-12-15] [Digital]
[Wasabisuke] Koopahime (Super Mario Brothers)
Mama tte Yonde
[Maimu-Maimu] Mama Tomo Harem Ch. 1-2 [English] [Fated Circle] [Digital]
[Sakaki Tsui] Otouto Shikake no Honey Trap - Lovely Younger Brother Honey Trap
[Tiramisu (Kotobuki Maimu)] Bimbo-gami Taisan! [Digital]
COMIC Megastore H 2007-08
[Nise] Sukina mono wa Shikatanai yo ne Onii-chan | I can't help loving this, Big Brother! [English] [Sn0wCrack]
National Wives Academy Chapter 4
(C71) [Studio ParM (Kotobuki Utage)] ParM SpeciaL 4 ToNABUru (To LOVE-Ru)
(Bara no Kouchakai 2) [Circle Bob (Brother Bob)] Flower Gurden (Rozen Maiden)
(Comic Characters! 01) [Studio★ParM (Kotobuki Utage)] PM07 Zoku Ichigo Gari (Ichigo 100%) [English]
[Maimu Maimu] AneDol ~Onee-chan wa Idol~ Ch. 1-6 [English] [KirbyDances-yobi00-At4r1]
(C68) [Studio★ParM (Fujiwara Noriwo, Kotobuki Utage, Tanaka Naburo)] PM06 Ichigo Gari (Ichigo 100%)
(C55) [A HUMAN A, Anime Brothers (Adachi Shinichi, Itsuki Kousuke)] KANOMATSURI (Kare Kano, Sakura Taisen 1)
Suki Suki My Brother
COMIC Mugen Tensei 2015-05
(Shota Scratch 14) [Studio Zealot] (Aoi Takayuki) Ore no Otouto ga Konnani (ry | My Little Brother Can't Be This... (Shotarista 6) [English] [alparslan]
(C78) [Bakuhatsu BRS. (B.Tarou)] Kawaii Otouto-san wa Suki desu ka? Otameshiban | Do you Like Cute Little Brothers? (Final Fantasy Tactics) [English] =LWB=
[Chinzurena] Otouto no Haishin | Little Brother's Stream (COMIC Megastore DEEP Vol. 31) [English] [MintVoid] [Digital]
(C74) [Studio ParM (Kotobuki Utage)] PM18 Da Idol (Macross Frontier)
[Kotobuki Kazuki] Watashitte Eroin desu.
[Kazuki Kotobuki] Ryogyaku no Kajitsu Episode 2
[Karamazov] Donkey Kong NTR (Donkey Kong's Wife) (Super Mario Brothers)
(C58) [Anime Brothers (Itsuki Kousuke)] Yellow Candy (FLCL)
COMIC Mugen Tensei 2017-05 [Digital]
And then the Brother turned into a Prostitute
[Brother Pierrot] Bukatsu Shoujo Paradise ~ Asekkaki no Tenshi-tachi ~ Ch.1-3 [English] [biribiri]
Mama tte Yonde ~Amayakashi Seikyouiku~
COMIC Mugen Tensei 2017-07 [Digital]
[Yamano Kitsune] Otouto ga Kita Hi | The Day My Brother Came (Shounen Ai No Bigaku 12 The Otouto) [English] [Bahamut Dragons]
(C91) [AOI (Makita Aoi)] EMERGENCY C91
[Mumei Kibou (Nantoka)] MenheLion ~Sappari Tori Paitan Base~ | MenheLion ~with refreshing chicken broth base~ (Shishiro Botan) [English] [Skeletan Hand Translation tm] [Digital]
(SC36) [Studio ParM (Kotobuki Utage)] PM 12 Niku Shuujin (One Piece)
[MC] Akuochi! Ryoujoku no Miko
(CR15) [Circle Taihei-Tengoku (Horikawa Gorou)] Super Mario Collection (Super Mario Brothers) [English] [rookie84]
(Comic Characters! 01) [Studio★ParM (Kotobuki Utage)] PM07 Zoku Ichigo Gari (Ichigo 100%)
(C78) [Uguisuya (Uguisu Kagura)] Pretty ☆ Crime ☆ Sachertorte (K-ON!)
[Brother Pierrot] jk Soap in Shachou Taku (COMIC Shingeki 2012-09)
COMIC Mugen Tensei 2019-06