(C64) [kodomo challenge (Various)] Natsu no Kansatsu Nikki
Mob Oji-san to Iku Ningen Kansatsu Variety Saihara Shuuichi Hen
(C74) [Amadeus no Isan (Fujihara Shu, Aoba Shou)] Tengu no Kansatsu Nikki (Touhou Project)
(C94) [Tengu Kotengu (Kotengu)] Boku to Atago Onee-san no Natsuyasumi Sei Kansatsu Nikki (Azur Lane) [English] [Manabe.moe]
[ppatta] Yasei Ningen Kansatsu Nisshi | Wild Human Observation Record [English] [Digital]
(SPARK9) [confetti. (Yukihiro)] Tsuki ni Ichido no Strawberry Short Cake (Ansatsu Kyoushitsu)
Futanari Danchou ni Shojo♂ o Sasagete Mesuochi suru Ansatsusha nante Iru Wake Nai daro!
Shoujo Choukyou Kansatsu Kiroku
Slime Kansatsu
(C92) [Neko Pantsu] Kemono Ecchi Kansatsu Kiroku (Kemono Friends) [Chinese] [沒有漢化]
Mesudorei Kansatsu Nikki ~Kimo Otoko to Mesudorei-tachi no Hibi~
Otouto Kansatsu Nikki -Futsukame-
(Utahime Teien 18) [Testa Kitchen (Testa)] Chibikko Idol Kansatsu Kiroku (THE IDOLM@STER CINDERELLA GIRLS)
[Suika Koron] Doukyuusei Kansatsu Catalog
[Inochi Wazuka] Usagi-chan Kansatsu Nikki (Otokonoko HEAVEN Vol. 19) [English] [Digital]
(C83) [UROBOROS (Utatane Hiroyuki)] Jiritsu Shikou Kotei Houdai "Ritsu"chan (Ansatsu Kyoushitsu)
Josou Ishi no Sourou Chiryou ♥ Kansatsuki
ABDUCT ~Ike Nai Shiiku Kansatsu~ | ABDUCT ~The Wrong Breeding Observation~
Ansatsu na Kobeya
Kansatsu Jikkensitsu
Kansatsu Sketch
KarNagisa
(COMIC1☆13) [Chi-Ra-Rhyzhm (Hidaka Toworu)] Mikan Kansatsu Kiroku (To LOVE-Ru)
Mobu Ojisan to Iku Ningen Kansatsu Baraeti Sai Gen Owari Ichi-hen
(C85) [Poppoyakiya (Benigashira)] Dainashi no Jikan (Ansatsu Kyoushitsu)
Mama Cli Kakuchou Kansatsu Nikki
Koakuma no Patchouli Kansatsuki
BTB-30 Wannya no Kansatsu Nikki
[Saigado] LIVE CUM Kamomi-chan no Baai | LIVE CUM The Case of Kamomi-chan (LIVE CUM) [English] [Decensored] [Digital]
(C94) [Yakiniku Tabetai (Derauea)] Mash Kyrielight Suimin Kansatsu Houkokusho (Fate/Grand Order)
Vira Lillie Kansatsu Kiroku
bishokudenkansatsu purinsesutachinoinkokiroku
(SUPER23) [Dogfes (sio)] Kagai Jugyou (Ansatsu Kyoushitsu)
(Reitaisai 16) [Lolimate Seizou Koujou (Lolimate)] Suyasuya Kyouko-chan o Osawari Kansatsu (Touhou Project) [Chinese] [Lolipoi汉化组]
(Reitaisai 15) [ELHEART'S (Ibuki Pon)] Zannen Joushi no Kansatsu Nikki (Touhou Project)
(C94) [Yakiniku Tabetai (Derauea)] Mash Kyrielight Suimin Kansatsu Houkokusho (Fate/Grand Order) [Chinese] [绅士仓库汉化]
(SC49) [Marked-two (Maa-kun, Juuichijou)] Fumi-chan no Kansatsu Nikki (Ge) | Fumi-chan's Observation Diary (Bottom) [English] [desudesu]
(Houkago Ansatsusha PARTY!3) [Neoteny's (Aimitsu)] Wine Red Orgasm (Akuma no Riddle) [Chinese] [v.v.t.m汉化组]
(C94) [Yakiniku Tabetai (Derauea)] Mash Kyrielight Suimin Kansatsu Houkokusho (Fate/Grand Order) [English] [q91]
[Momoyama Jirou] Jinbobo ~Abunai Shiiku Kansatsu~ | Jinbobo ~The Dangerous Breeding Observation~ [English] [desudesu]
ABDUCT~Ike Nai Shiiku Kansatsu ~
(C88) [Tokyo Note, UOHSAOH (Amamiya Amako)] Which do you prefer,SEXY or CUTE? (Ansatsu Kyoushitsu)
[Yamamoto Yammy] Nichijou Bitch Seitai Kansatsu [Digital]
Kansatsu Shippai Shuu Vol. 2
(COMIC1☆7) [Cinderella Complex (Tsubakiya Meguru)] Tabi no Haji wa Kakisute (Ansatsu Kyoushitsu)
(SC49) [DROP DEAD!! (Minase Syu)] Imouto no Tomodachi no Shishunki Tokuyuu no Mousou Heigai ni Okeru Kansatsu to Koudou. 2 (Ore no Imouto ga Konna ni Kawaii Wake ga Nai)
Mikan Kansatsu Kiroku
[pantwo (ZIZ)] Kachi Kuja Kansatsu Nisshi (Final Fantasy IX) [Digital]
[Shukketsu Kansatsu Nikki (HemoglobinA1C)] Hekasushi (Touhou Project) [English] [desudesu] [Digital]
Mokuhyo「Chikyu」
Ecchi na Onaka Kansatsu.
KanMusu Chichi kosu Kansatsu Kiroku Rei
(C89) [Aomayu (Ramototu)] Letty-san no Yousei-san Kansatsuki (Touhou Project)
Chou Onmitsu Ansatsu Shoujo
[EBA] Imouto Kansatsu Nikki 1 days - 2 days
(SPARK9) [Mousou Aria (Rurimaru)] Haiboku Route (Ansatsu Kyoushitsu)
Ero kyōshitsu - BG CP - ansatsu R 18 practice
Chiba Sugaya Manga
Ui-chan no Onanie Teiten Kansatsu
(C81) [Gururido (Ikuwiron)] Hatashite Konofuyu Nansatsu no Doujinshi ga "○○ Fairies" Toiu Title Darouka (gdgd Fairies)
[Yamamoto Yammy] Nichijou Bitch Seitai Kansatsu
She*ry Birkin Kansatsu Ki
[Kuritsu Yoshihiro] Marutto Kansatsu Inkou Kyoushitsu | 完全的觀察 淫交教室 [Chinese]
(COMIC1☆11) [Aruku Denpatou no Kai (Kimura Shuuichi, Touka)] No No No -Kansatsu Friends- (Kemono Friends)
[Kuritsu Yoshihiro] Marutto Kansatsu♡ Inkou Kyoushitsu - Let's Observe a Public Fuck in a Classroom
[Kacchuu Musume] Gokudou Kansatsu Nikki (Various)
(C91) [Yakiniku Tabetai (Delaware)] Nishizumi Maho no Suimin Kansatsu (Girls und Panzer)
(Medama Iseibutsu Shinkaron) [Mousou Aria (Rurimaru)] Sensei no Shokushu to (Ansatsu Kyoushitsu)
[Sanpaku] Mama Cli Kakuchou Kansatsu Nikki | Mama's Clit Extension Journal (Mesu Inkaku Full Bokki - Clitoris to Erection) [English] [man-machine translations] [Digital]
Shoujo Kansatsu Nikki
Otsumami
Jikken Seibetsu Kansatsu
Nichijou Bitch Seitai Kansatsu
Imouto ga Seishi no Kansatsu o Yamete Kurenai ~Nii-san wa Seishi Undouritsu 99%~
[Kazuhisa Shiromi] Arubireo kansoku sho kara no kansatsu
(COMIC1☆7) [Komenosukima (Takeu)] Makopi Kansatsu Nikki (Dokidoki! Precure)
Suyasuya Kyouko-chan o Osawari Kansatsu
[RE:LAY (Kuroiwa Madoka)] PL/RAY END (Ansatsu Kyoushitsu) [Digital]
Yuutousei Doronuma Kansatsushitsu | Honor Student in the Quicksand Observation Booth
[Himeno Mikan] Iimono Mitsuketa | I Found Something Good (COMIC LO 2015-01) [English] {Mistvern}
Kansatsu to Jissen
Kaga-san Kansatsu Nikki
Kansatsu
Asutoraru no shuraba kansatsu nikki
[Yamamoto Yammy] Nichijo bitchi seitaikansatsu [Chinese]
(C82) [MANITOU (Nakajima Rei)] Iseishukan Kouryuu Kansatu Nisshi 2 (Ano Natsu de Matteru)
(HaruCC20) [Kochiya β (Kochiya)] Aigan Sensei (Ansatsu Kyoushitsu)
[Owari] Gaku Karu ga Eroi Koto Shiteru Dake (Ansatsu Kyoushitsu)
(Bokura wa Koroshiya) [Lovcis (Mihane Rio)] Nagisa no High Collar Karma (Ansatsu Kyoushitsu)
Jinbobo ~Abunai Shiiku Kansatsu~ | Jinbobo ~The Dangerous Breeding Observation~
Sensuality Classroom
[Sanpaku] Mama Cli Kakuchou Kansatsu Nikki | Mama's clit extension journal (COMIC Masyo 2016-07) [English] [man-machine translations]
(C92) [Neko Pantsu] Kemono Ecchi Kansatsu Kiroku (Kemono Friends) [English] [Doujins.com]
[Sanshoku Dango (Riko)] Happy Merry Christmas Birthday (Ansatsu Kyoushitsu) [English] {Shotachan}
(C86) [Ennui Tei (Ousawa Kanata)] Nagisa-chan to Hokentaiiku! (Ansatsu Kyoushitsu) [English]
(C92) [Besshun-tei (Arisu Kazumi)] Friends no Oshikko Kansatsuki (Kemono Friends)
(C92) [IRIOMOTE (Saryuu)] Juujin Seitai Kansatsu Kiroku
(HaruCC20) [Mimoton (Mimoton)] Insert (Ansatsu Kyoushitsu)
(C91) [Yakiniku Tabetai (Derauea)] Nishizumi Maho no Suimin Kansatsu (Girls und Panzer) [Chinese] [瓜皮汉化]
(SUPERKansai21) [BAJYORIKA (Ayatori)] Synchro Hearts (Ansatsu Kyoushitsu)
(Bokura wa Koroshiya 2) [Kochiya β (Kochiya)] Torikago - birdcage (Ansatsu Kyoushitsu)
[Momoyama Jirou] ABDUCT ~Ike Nai Shiiku Kansatsu~ | ABDUCT ~The Wrong Breeding Observation~ [English] [desudesu]
(C92) [Tetchan Hato (Minasuki Popuri)] Himawari Kansatsu Nikki
(Shota Scratch 21) [Mimoton (Mimoton)] Nagisa no Himitsu (Ansatsu Kyoushitsu)
(C85) [Sasa Chaya (Sasa Sakuno)] Nagisa-kun ga Onnanokodattara. Matome (Ansatsu Kyoushitsu)
(COMIC1☆13) [Chi-Ra-Rhyzhm (Hidaka Toworu)] Mikan Kansatsu Kiroku (To LOVE-Ru) [Chinese] [琴叶汉化]
(Puniket 33) [Yumesaki Annai Kairanban (Hiro Hiroki)] Kokoro-chan Kansatsu Nikki (Kamisama Minarai Himitsu no Cocotama)
(Dai 2-Kai Ultra Summer Festa) [Gyoukousyu (Gon., Kurosai)] Darjeeling no Seikatsu Kansatsu Nisshi. (Girls und Panzer)
(COMIC1☆02) [Gokujou Resistance] Kansatsu ni Muka nai Onna (Suzumiya Haruhi no Yuuutsu)
[Wakino Keibun] Kansatsu Jikkensitsu (Cyberia Maniacs Saimin Choukyou Deluxe Vol.1) [Chinese] [Menethil个人汉化] [Digital]
Otouto Kansatsu Nikki -Yotsukame-
[Okayusan] Seishi Kansatsu (COMIC Anthurium 025 2015-05) [Chinese] [无毒汉化组]
Observer ni Kansatsu Sareru Deutschland-kyuu Shimai
(HaruCC21) [Tohoippun (Panda)] Houkago Satsujin Jikenbo (Ansatsu Kyoushitsu)
(C76) [Credit (Akikan)] Nagato Yuki-chan no Kansatsu (Suzumiya Haruhi no Yuuutsu)
Kansatsu Shippai Shuu Vol. 3
Ijiwaru Ansatsusha
Bishokuden Kansatsu Princess-tachi no Inkou Kiroku
Sensei Kansatsu Nikki
Kansatsu Shippai Shuu Vol. 1
[EBA] Imouto Kansatsu Nikki Ch.1-3 [Chinese]
Saber Oshikko Kansatsu
[Touka Genteki] Kansatsu Shippai Shuu Vol. 6
(C85) [Shukketsu Kansatsu Nikki (HemoglobinA1C)] Otsumami (Touhou Project) [Chinese] [朔夜汉化]
[HYMNOS (Hiro Haruyoshi)] Yuusha Ikkou no Ansatsusha-kun ni Jujutsu de Otetsudai | 用咒术帮助勇者小队的暗杀者 [Chinese] [冒险者公会] [Digital]
Seetai kansatsutsuu
Maid Flandre Kansatsu Nikki - Maid Flandre observation diary
(C86) [Ennui-tei (Ousawa Kanata)] Nagisa-chan to Hokentaiiku! (Ansatsu Kyoushitsu) [English]
[Ninnindo (Tonsuke)] Mama-san Kansatsu-ki ~Tomodachi no Haha ni Yokujou Shite Shimatta Boku~ (Pokémon)
(COMIC1☆6) [Kaze no Gotoku! (Fubuki Poni, Fujutsushi)] Mahou Shoujo Zetsubou Kansatsu Kiroku (Puella Magi Madoka Magica)
Nichijo bitchi seitaikansatsu
(C89) [Kotobukiza (Yuu)] MILK CROWN (Ansatsu Kyoushitsu)
Mama-san Kansatsu-ki ~Tomodachi no Haha ni Yokujou Shite Shimatta Boku~