[Takadoya-tei (Takadoya Akira)] Hamaru Kappa Musume (Touhou Project)
(CosCafe15) [Alice no Takarabako (Various)] Maria-sama ga miteru ~Baishun~ (Maria-sama ga Miteru)
Danna no Fuzai de Karada o Moteamashiteru Hitozuma Kappa wa Kyuuri Wataseba Kantan ni Yareru
(C95) [Kappa Yousai (Kapa)] KBYD to 4P Suru Hon + Omakebon (THE IDOLM@STER CINDERELLA GIRLS)
[Amamo (Nora Kappa)] Briefs in! (Panty & Stocking with Garterbelt)
JK Taimabu Season 2
Ojisan no Kanojo wa Yancha de Kappatsu na Shougaku-rokunensei
[Po-Ju] Boku to Kappa no Natsu. | The Summer of Me and the Water Demon (Shounen Shikou) [English]
Kappa Shiiku Nikki ~Koubi no Shikata o Oshiete Mita~
Kappa Ja Nai Yo !
[Umetarou] Kouma Choubuku Douchuuki | Kouma Exorcism Travel Journal (COMIC Unreal 2013-04 Vol. 42) [English] [desudesu] [Digital]
(C82) [Konohanaya (gozz, Yanagida Fumita)] sign
Kappa to Douji
COMIC BAVEL 2018-11 [Digital]
[Ikeshita Maue] Shokushu-san to Yuusha-kun ~Nazo no Kinsho de Seitenkan!?~ | Tentacle-san and Hero-kun - Gender Bending Through the Mysterious Forbidden Book?! (COMIC Unreal 2018-08 Vol.74) [English] [desudesu] [Digital]
Monthly QooPA 2014-08
Hamaru Kappa Musume
[Mikazuki Ondo (Kappa)] Satorin Masshigura (Touhou Project)
(Reitaisai 10) [Takadoya-tei (Takadoya Akira)] Gochisou Kappa Musume (Touhou Project)
Ojisan no Kanojo wa Yancha de Kappatsu na Shougaku-rokunensei
[Takadoya-tei (Takadoya Akira)] Jirashitai Kappa Musume (Touhou Project)
Ochiru Hana Sakura-hen Ni
[Horitomo] Kininaru Anoko wa Monster Musume
Kappa ni Toritsukareta Shounen no Ohanashi.
(COMITIA104) [Rahhentou (Kentarou)] Kappa to Douji
Ojisanno Kanojo Hayanchade Kappatsu Na Gaku Rokunen Nama
Okappa Fuuki Iinchou to Kanchigai Sex
(Kouroumu 9) [Public Planet Dark (Coaster)] Kappa no Seseragi (Touhou Project)
[Negimiso Oden (Letomi Koumei)] Ba kappana (Ojamajo Doremi)
Inma Senki vs Enkou Kouhen
(C83) [Mikazuki Ondo (Kappa)] Yokubari Kasen-chan (Touhou Project)
(C83) [Mikazuki Ondo (Kappa)] Gochisou Satorin (Touhou Project)
Kappatsu Shounen Kanshasai + DLsite Gentei Tokuten
[Ana Futatsu (Wenajii)] Ero Kappa Go Home (Touhou Project)
[Touta] Youkon no Mura
[Umetarou] Kouma Choubuku Douchuuki | Kouma Exorcism Travel Journal (COMIC Unreal 2013-04 Vol. 42) [English] [desudesu] [Colorized] [Digital]
Ojisan no Kanojo wa Yancha de Kappatsu na Shougaku-rokunensei
(C83) [Mikazuki Ondo (Kappa)] Touhou Rakugakichou 3 (Touhou Project)
HKappa: Venus Infection - Ban! - Pokemon English Full Color
[Asshuku Koubou (Terazip)] Futanari Momiji to Kappa no Onaho (Touhou Project) [Digital]
Mob Kappa no Ecchi na Hon Ni
(SC2016 Winter) [Kappaya (Katte ni Kappa)] Phantom no Erohon (Musaigen no Phantom World) [English] [q91]
[bee] Meshimase Honey
(C95) [Fuketsudan (Chabo)] Youjou Seijoku Emaki Ni
Tennaide wa Kappa o Onugi Kudasai
[Kappadou] Kumaki Toshiwa Takuhai Goukanma
Okappa Fuuki Iinchou to Kanchigai Sex
[Kurohonyasan (Yamashita Kurowo)] Anzio-kou III-nen Anzai Chiyomi 17-sai (Girls und Panzer) [English] [Kappasa] [Digital]
JK Taimabu Season 2
(C48) [Shokoraramu (various)] DUMMY EYES (various)
March
Kappa VS Female Diver
(C70) [Kappa Create (Abeno Chaco)] Samosamo Minto (Summon Night)
Gensoukyou Futanari Dake Haramase Chuudoku Kappa Tengu Hen
[Studio Wallaby (Various)] Vitamin B-3 (Geobreeders)
[sayryu (sayryu)] Ojisan no Kanojo wa Yancha de Kappatsu na Shougaku-rokunensei [Digital]
(C73) [Kan wa Damatte Okappa Megane (Hakata Mentaiko)] Watashi no Oinu-chan (Ar Tonelico)
[Anthology] Onna Dealer | Casino Dealer Lady
Gochisou Kappa Musume
JK Taimabu Season 2
[Anthology] Input Vol. 3 - Theme Park Hen
(C91) [Panzers (Okiraku Nic)] Mob Kappa no Ecchi na Hon Ni (Touhou Project)
(COMITIA116) [Tekokids (Leonardo 16sei)] Shita to Sara
Bakunyuu de Ecchi na Yuugi Kijou-tachi ga Kousha Kousha Oppai de Anata no Seieki o Kaishuu Eigyou
JK Taimabu Season 2
[Anthology] Bitoushi-tachi no Injoku (Queen's Blade)
Yukki to Hamedori Suru Hon
Tsukiotoshitai Kappa Musume
Jirashitai Kappa Musume
[Amatsukami] Hyakki Yoru Kan - Sumou Jigoku-hen