(COMIC1☆6) [inspi. (Izumi Rin)] Himitsu no Koukan Nikki (Smile Precure!)
[Shinyanchi (Shinya)] Futanari Koukan 6000P (Lucky Star)
[Henoheno] Koukan Seikyoushi | Sex Teacher Exchange (Tsuijuku) [English] [desudesu]
[Nakata Modem] Koukan Jouken | Sexual Trade Deal (COMIC HANA-MAN 2011-01) [English] {Sling}
[Studio Current] Shoujo Koukan
[Akihiko] H na Rakuen Bishou Koukan Nikki | An Bawdy Paradise [English] [Yoroshii]
[Akihiko] H na Rakuen Bishoujo Koukan Nikki
(C75) [ANIM (MUMU)] Hitoduma Koukan Nikki Gengashuu
[Kamirenjaku Sanpei] Inniku Koukan Nikki [English]
[Musou Tensei (Jan)] Pride Max Koukan Onna no Fukushuu Tenrakugeki [Japanese, English]
(C93) [Nyala Ponga (Sekai Saisoku no Panda)] Astolfo-kun to Ryoushi Koukan Shiau Hon (Fate/Grand Order)
[Kisaragi Gunma] Seitou Koukan no Susume | Student Exchange Recommendation (COMIC ExE 14) [English] [Digital]
[ZUZUZU (Kamiya Zuzu, Hitomasu Modoru)] 300 no Oshirushi Atsumete Koukan suru yori Kawaii Anira ni Natta hou ga Ii (Granblue Fantasy) [Digital]
[The Dungeon In Yarn (Yone Kinji)] Koukan☆Nikki Hadaka Randoseru Satsueikai [Digital]
[Kisaragi Gunma] Seito Koukan no Susume (COMIC ExE 14) [Digital]
[Hinotsuki Neko] Hyoui Koukan Ch. 1-10 [English] [desudesu] [Digital]
[Hinotsuki Neko] Hyoui Koukan [English] [desudesu] [Digital]
[Hinotsuki Neko] Hyoui Koukan Ch. 1-9 [English] [desudesu] [Digital]
[Hinotsuki Neko] Hyoui Koukan Ch. 1-7 [English] [desudesu] [Digital]
[Konnyaku Nabe (magifuro Konnyaku)] ASShorufo-kun 3 Koukan Shop Hen (Fate/Grand Order) [Digital]
[Konnyaku Nabe (magifuro Konnyaku)] ASShorufo-kun 3 Koukan Shop Hen (Fate/Grand Order) [English] [SoumaBatata] [Digital]
[Hinotsuki Neko] Hyoui Koukan Ch. 1 [English] [desudesu] [Digital]
[Nagare Ippon] Koukan Jyoken Ch. 1-5 [English] [R-IC] [Digital]
[Nagare Ippon] Koukan Jyoken Ch. 1-4 [English] [R-IC] [Digital]
[Nagare Ippon] Koukan Jyoken Ch. 1-6 [English] [R-IC] [Digital]
(C92) [ZUZUZU (Kamiya Zuzu, Hitomasu Modoru)] 300 no Oshirushi Atsumete Koukan suru yori Kawaii Anira ni Natta hou ga Ii (Granblue Fantasy) [English]
(COMIC1☆7) [UROBOROS (Utatane Hiroyuki)] Mousou Koukan Nikki wa Herlock Aruki no Yume wo Miru ka? (GJ-bu) [English] {Hennojin}
[Ikeshita Maue] Shibamura Saya no Koukan Nikki. - Kyou mo Rijichou to Sex Shiteimasu. 2
[Ikeshita Maue] Shibamura Saya no Koukan Nikki. - Kyou mo Rijichou to Sex Shiteimasu. 1
[7zu7] Kanojo to Shokushu no Koukan Kiroku [Digital]
[Nagare Ippon] Koukan Jyoken [Chinese]
[Taniguchi-san] Koukan | Trade (COMIC BAVEL 2017-03) [Chinese] [灰灰自己汉化] [Digital]
[Hinotsuki Neko] Hyoui Koukan [Digital]
[Hino Toshiyuki] Bohan -Haitoku Kazoku Koukan- [Digital]
(C84) [The Dungeon In Yarn (Yone Kinji)] Koukan☆Nikki Yurina to Asobou
[Jitsuma] Koukan Musuko | Son Swapping Ch. 1 [English] [Jitsuma]
[Jitsuma] Koukan Musuko | Son Swapping [English] [desudesu & kusanyagi]
[Jitsuma] Koukan Musuko
(C84) [Tsumasaki Label (Yamazaki Kazuma, Hidari Kagetora)] Koukan Kougai
[Jingrock] Kokuhaku | Confession (Shougakusei Koukan Jugyou) [English] [Yoroshii]
[Kingyo] Shoujo Koukan Nikki
[Shiran Takashi] Koukan Assort
[Hinotsuki Neko] Hyoui Koukan Ch. 1-4 [English] [desudesu] [Digital]
(C93) [The Dungeon In Yarn (Yone Kinji)] Koukan Nikki Onaji Apart no Shoujo ni Tada Tada Rape (Wakan) suru dake no Hon
[Tange Suzuki] Analist ~Koukan Shugisha~ [Chinese]
[Katsura Airi] Koukan ─ Ano Toki… Ano Musume ♀ Toitsu ♂ Tetara ─ 4 [Digital]
[Hinotsuki Neko] Hyoui Koukan [Chinese]
[Katsura Airi] Koukan ─ Ano Toki… Ano Musume ♀ Toitsu ♂ Tetara ─ 2 [Digital]
[Katsura Airi] Koukan ─ Ano Toki… Ano Musume ♀ Toitsu ♂ Tetara ─ 1 [Digital]
[Katsura Airi] Koukan ─ Ano Toki… Ano Musume ♀ Toitsu ♂ Tetara ─ 3 [Digital]
[Tsurutsuru Pain (Pikeru)] Koukan Nikki (Love Live!) [Digital]
[Tohgoo (Fuyutugu)] Kuro to Illya no KOUkan Kyouyuu (Fate/kaleid liner Prisma Illya) [English] {biribiri} [Digital]
[Shimotsuki Juugo] Shitei Koukan
(COMIC1☆7) [abgrund (Saikawa Yusa)] Aijou ☆ Koukan Nikki | Love Exchange Diary (GJ-bu) [English] [doujin-moe.us]
[Tange Suzuki] Analist ~Koukan Shugisha~
[Tenchuumaru] Choukyou Tsuma Koukan - Swapping Family
[Okamoto Fujio] Koibito Koukan
[Katsura Airi] Koukan ─ Ano Toki… Ano Musume ♀ Toitsu ♂ Tetara ─ 1 [English] [Digital]
[The Dungeon In Yarn (Yone Kinji)] Koukan Nikki Ninshin Jisshuu [Digital]
[Nagare Ippon] Koukan Jyoken Ch.1-2 [English] [R-IC] [Digital]
[Juan Gotoh] Kinshin Koukan Kazoku [Digital]
(CSP6) [Otabe Dynamites, Dodo Fuguri (Otabe Sakura, Shindou)] KOUKAN GASYUKU
[Akuten Soushin (Kokutou Nikke)] Taihou Kaizou Gisou Koukan Choukyou (Kantai Collection -KanColle-) [Digital]
[Yuuki] Koukan Jokyoushi Ryou
[Mitsuki Rintarou] Koukan Retsujou
[The Dungeon In Yarn (Yone Kinji)] Koukan☆Nikki Hadaka Randoseru Satsueikai [Chinese] [伊忍汉化组] [Decensored] [Digital]
[Jitsuma] Koukan Musuko | Son Swapping Ch. 1-5.6 [English] [desudesu + kusanyagi]
(COMIC1☆7) [UROBOROS (Utatane Hiroyuki)] Mousou Koukan Nikki wa Herlock Aruki no Yume wo Miru ka? (GJ-bu)
[CHI-PONKAN (CHIPOKAN)] Imouto Koukan
[Tohgoo (Fuyutugu)] Kuro to Illya no KOUkan Kyouyuu (Fate/kaleid liner Prisma Illya) [Digital]
[Anthology] Kazoku Koukan!
Seito Koukan no Susume
ASShorufo-kun 3 Koukan Shop Hen
Astolfo-kun to Ryoushi Koukan Shiau Hon
Koukan - Trade | 트레이드