Koukan ─ Ano Toki… Ano Musume ♀ Toitsu ♂ Tetara ─ 1
[Hino Toshiyuki] Bohan -Haitoku Kazoku Koukan- [Digital]
Manga Bangaichi 2006-02
Koukan Stay
[Nagare Ippon] Koukan Jyoken Ch. 1-5 [English] [R-IC] [Digital]
(CSP6) [Otabe Dynamites, Dodo Fuguri (Otabe Sakura, Shindou)] KOUKAN GASYUKU [Chinese] [无毒汉化组]
[Shinyanchi (Shinya)] Futanari Koukan 6000P (Lucky Star)
Sennou Souchi de Teitoku e no Koukando 0 no Graf o Sukikatte ni Ijicchau Hon
(C88) [Kositantan (Kositani)] Koukando 6000 (Robot Girls Z)
Koukando Zero no Onnanoko ni Saimin o Kakete Icha Love Ecchi.
[Juan Gotoh] Kinshin Koukan Kazoku [Chinese]
Koukan Manga
[Oyama Yasunaga] Fuufu Koukan Game -Shumatsuu no Inen- [Chinese]
Manga Bangaichi 2007-04
[Yoshihama Sakari] Hitozuma megumi no onegai fuufukoukan
[Hinotsuki Neko] Hyoui Koukan Ch. 1 [English] [desudesu] [Digital]
(C75) [ANIM (MUMU)] Hitoduma Koukan Nikki Gengashuu
(C86) [Mashimin Koubou (Mashi Miyuki)] Aitsu no Hahaoya ga Dashita Koukan Jouken o Ore ga Nonda Kekka
Koukan Kyoudai ~Ani no Karada de Jibun Seme~ SP 2
Koukando 100% Haguro-chan
(C87) [Nejimaki Kougen (Kirisawa Tokito)] Seidaku Koukan (Da Capo III) [English] [Evil Dood]
(C93) [Toraisix (Toraisi666)] BB no Fukenzen na Illust-bon (BLAZBLUE)
Nyotai Koukan Sareta Ore | My Body's Been Swapped with a Girl's
[Katsura Airi] Koukan ─ Ano Toki… Ano Musume ♀ Toitsu ♂ Tetara ─ 2 [Digital]
[Jitsuma] Koukan Musuko | Son Swapping [English] [desudesu & kusanyagi]
Hyoui Koukan
Seito Koukan no Susume
[Tohgoo (Fuyutugu)] Kuro to Illya no KOUkan Kyouyuu (Fate/kaleid liner Prisma Illya) [Chinese] [CE家族社] [Digital]
Koukando 100 dakara Nagato no Oshikko Mite Kekkon Suru
[Hinotsuki Neko] Hyoui Koukan Ch. 1-4 [English] [desudesu] [Digital]
Fuufu Koukan Game
(C93) [The Dungeon In Yarn (Yone Kinji)] Koukan Nikki Onaji Apart no Shoujo ni Tada Tada Rape (Wakan) suru dake no Hon
[Katsura Airi] Koukan ─ Ano Toki… Ano Musume ♀ Toitsu ♂ Tetara ─ 3 [English] [Digital]
(CSP6) [Otabe Dynamites, Dodo Fuguri (Otabe Sakura, Shindou)] KOUKAN GASYUKU
Manga Bangaichi 2004-07
[ShiftAltOn (Tonda)] Saimin Boshikoukan [Digital]
Koukan Renshuu Kouhen
[Shimotsuki Juugo] Tachiyomi Kinshi! | No Browsing (Shitei Koukan) [English] [Statistically NP]
Koukan Nikki | 교간 일기
[Oyama Yasunaga] Fuufu Koukan Game -Shumatsuu no Inen- | 夫婦交姦性遊戲 -終末的淫宴- [Chinese]
[Inarizushi (Omecho)] Nanbantorai no Suggoi Okou [Digital]
[Itaba Hiroshi] Koukan Jouken
Koukando Zero | 호감도 제로
Koukan☆Nikki Heart ni Puresu Satsueigokko
Koukan ─ Ano Toki… Ano Musume ♀ Toitsu ♂ Tetara ─ 2
Kono Koukando nara Sorosoro Harem Ikerun ja ne? 3
Koukan Jyoken Ch.1-3 -on going-