(C94) [Tengu Kotengu (Kotengu)] Boku to Atago Onee-san no Natsuyasumi Sei Kansatsu Nikki (Azur Lane)

Gal Imouto ga Seishi no Kansatsu o Yamete Kurenai | My Gyaru Little Sister Wants to See My Sperm!

[Tigenabeya (Youfuu Chigetarou)] Excel-kyun no Chippai Kansatsu Nikki (Riviera the Promised Land)

Kansatsu Jikkensitsu

(C85) [Shukketsu Kansatsu Nikki (HemoglobinA1C)] Otsumami (Touhou Project) [Chinese] [朔夜汉化]

[Yorozuya Miyakotei (Miyako no Gohan)] Heya ni Tousatsu Kiki Tsukete Jiikoui Kansatsu Shiyou no Kai (Azur Lane) [Digital]

Kansatsu Shippai Shuu Vol. 2

BTB-30 Wannya no Kansatsu Nikki

(Reitaisai 15) [ELHEART'S (Ibuki Pon)] Zannen Joushi no Kansatsu Nikki (Touhou Project)

Mesudorei Kansatsu Nikki ~Kimo Otoko to Mesudorei-tachi no Hibi~

Noa to Sougo Kansatsu Sawari Aikko

(Puniket 33) [Yumesaki Annai Kairanban (Hiro Hiroki)] Kokoro-chan Kansatsu Nikki (Kamisama Minarai Himitsu no Cocotama) [Chinese] [脸肿汉化组]

Mama Cli Kakuchou Kansatsu Nikki

(C85) [Wing Kyanite (Kyanite)] Haguro no Shireikan Kansatsu Note (Kantai Collection -KanColle-)

Nishizumi Maho no Suimin Kansatsu | Record of Nishizumi Maho’s Sleep Violation

Mob Oji-san to Iku Ningen Kansatsu Variety Saihara Shuuichi Hen

Bishokuden Kansatsu Princess-tachi no Inkou Kiroku

[Labui] Rifujin Yuugi ~Net Namahousou de, Hime wo Customize Shite Kansatsu Shiyou~ THE COMIC Zenpen (COMIC Unreal 2023-08 Vol. 104) [English] [Digital]

[EBA] Imouto Kansatsu Nikki 3 days (COMIC Anthurium 022 2015-02) [Chinese] [黑街汉化组]

Otsumami

(SC56) [Waffle Doumeiken (Tanaka Decilitre)] Buta-san Choukyou Kansatsu Enikki (Accel World)

(SPARK12) [Takenoko Poteto (Okameshi)] Ore no Oppai ga Suki Nante Doushio monai Robot da ne (New Danganronpa V3)

[EBA] Imouto Kansatsu Nikki 2 days (COMIC Anthurium 020 2014-12) [Chinese] [名潴學園]

(C92) [IRIOMOTE (Saryuu)] Juujin Seitai Kansatsu Kiroku

Nekomimi Shoujo Kansatsu Kiroku

(COMITIA92) [Marked-two (Maa-kun, Shichijou)] Fumi-chan no Kansatsu Nikki (Jou) [Chinese] [狼娘汉化]

(C86) [TLE (Fujiyama Takashi)] KanMusu Chichi kosu Kansatsu Kiroku Rei (Kantai Collection -KanColle-)

(C79) [Fuketsudan (Shokushu-san)] Koakuma Kansatsu Nikki (Touhou Project)

Kahogo Kansatsu | Overprotective Supervision

(C75) [Hirusuta (Taira Kosaka)] Sensei Kansatsu Nikki (Mitsudomoe)

[EBA] Imouto Kansatsu Nikki 1 days - 2 days

Nishizumi Maho no Suimin Kansatsu

Itazura Shounen Kansatsu Nikki - Dairy About The Naughty Boys

Natsuyasumi no Saimin Jiyuu Kenkyuu Zoku Chiyuki Onee-chan no Echi Echi Kansatsu

[Neko no Youchuu Kansatsukai (Neko no Youchuu)] Himitsu Shinryou Kiroku (Arknights) [Digital]

[Yamamoto Yammy] Nichijo bitchi seitaikansatsu [Chinese]

(C94) [Yakiniku Tabetai (Derauea)] Mash Kyrielight Suimin Kansatsu Houkokusho (Fate/Grand Order)

Suguha-chan Kansatsu Nikki | Diario de Observación de Suguha-chan

Himitsu Shinryou Kiroku

No No No -Kansatsu Friends-

[Sanpaku] Mama Cli Kakuchou Kansatsu Nikki | Mama's clit extension journal (COMIC Masyo 2016-07) [English] [man-machine translations]

[Neko no Youchuu Kansatsukai (Neko no Youchuu)] Himitsu Shinryou Kiroku | Secret Medical Record (Arknights) [English] [DKKMD Translations] [Decensored] [Digital]

[Momoyama Jirou] Jinbobo ~Abunai Shiiku Kansatsu~

(C89) [Aomayu (Ramototu)] Letty-san no Yousei-san Kansatsuki (Touhou Project)

Itazura Shounen Kansatsu Nikki | 一起快樂學~ 小健老師的健康教育

[Kaze no Gotoku! (Fubuki Poni, Fujutsushi)] Mahou Shoujo Zetsubou Kansatsu Kiroku (Puella Magi Madoka Magica) [Chinese] [吼姆喵个人汉化] [Digital]

Kansatsu Shippai Shuu Vol. 3

[Asahina Makoto] Shoujo Kansatsu NIkki

Hogo Kansatsu Namaiki Shounen Mesuochi Nikutai Sousa

[Kazuhisa Shiromi] Arubireo kansoku sho kara no kansatsu

[Yamamoto Yammy] Nichijou Bitch Seitai Kansatsu

[pantwo (ZIZ)] Kachi Kuja Kansatsu Nisshi (Final Fantasy IX) [Digital]

Boku no Oba-san Kansatsu Kiroku

(C88) [Takumiya (Goban)] Sento Isuzu Kansatsu Nikki (Amagi Brilliant Park)

(C94) [Bad End RST (J-MAX JAPAN)] Eromanga Kansatsuki (Eromanga Sensei)

Yousei Kansatsu

(C92) [Besshun-tei (Arisu Kazumi)] Friends no Oshikko Kansatsuki (Kemono Friends)

Ranger-chou Kansatsu Nikki

(COMIC1☆6) [40010 1-GO (40010 Shisakugata)] SAKKN Shinobu no Araragi Koyomi Kansatsu Nikki (Bakemonogatari)

Tsuma ga Kakushiteita Video... ~Motokare Netorase Kansatsuki~ Kouhen

Mama kuri kakuchou kansatsunikki | Mama's clit extension journal

Ura Tsuma Kansatsu Nikki

(C86) [waterwheel (Shirota Dai)] Suguha-chan Kansatsu Nikki | Suguha-chan Observation Diary (Sword Art Online) [English] {doujin-moe.us}

Darjeeling no Seikatsu Kansatsu Nisshi. | 大吉嶺的性生活觀察日誌。

Seetai Kansatsu

Boku no Oba-san Kansatsu Kiroku

(Kouroumu 10) [Sushi-ya (Haruto)] Kanyou Shokubutsu - Youmu no Kansatsu Nikki (Touhou Project)

[Cuvie] Kansatsu to Jissen (COMIC Kairakuten BEAST 2018-08) [Chinese] [康仲傑下來打躲避球] [Digital]

[Gyoukousyu (Gon., Kurosai)] Bocchi-chan Kansatsu Nisshi 2-kame (Bocchi the Rock!)

Jikken Seibetsu Kansatsu

(COMIC1☆6) [Kaze no Gotoku! (Fubuki Poni, Fujutsushi)] Mahou Shoujo Zetsubou Kansatsu Kiroku (Puella Magi Madoka Magica)

[Nohri Isawa] Naisho no Kansatsu Nikki (Secret Observation Journal) [English] [Mistvern]

(C94) [Tengu Kotengu (Kotengu)] Boku to Atago Onee-san no Natsuyasumi Sei Kansatsu Nikki (Azur Lane) [Chinese] [空気系☆漢化]

[Uniyaa (Ikinari Mojio)] Kyou no Jugyou wa, Chikyuujin no Hanshoku Katsudou no Kansatsu desu. - Today's lesson is observation of the breeding activities of earthlings. [Digital]

[Chi-Ra-Rhyzhm (Hidaka Toworu)] Shoujo Choukyou Kansatsu Kiroku [Digital]

Sukesuke sensei o kansatsu | 透视老师的性观察

(Kouroumu 9) [Shukketsu Kansatsu Nikki (HemoglobinA1C)] Arishu! (Touhou Project)

Asutoraru no shuraba kansatsu nikki

Maid Flandre Kansatsu Nikki - Maid Flandre observation diary

Hogo Kansatsu Doumei

Noa no Kansatsu Kiroku

Imouto ga Seishi no Kansatsu o Yamete Kurenai

[Kiriyama] Rika no Kansatsu Kiroku (COMIC X-EROS #14) [Chinese] [无毒汉化组]

[Neko no Youchuu Kansatsukai (Neko no Youchuu)] Himitsu Shinryou Kiroku (Arknights) [Chinese] [LC整合汉化组] [Digital]

[Kacchuu Musume] Gokudou Kansatsu Nikki (Various)

Ui-chan no Onanie Teiten Kansatsu

chóng To yōsei no kansatsu nikki | 虫与妖精的观察日记

Wo-Kyuu Kansatsu Nikki

[Shukketsu Kansatsu Nikki (HemoglobinA1C)] おかわり (Touhou Project) [Digital]

Itazura Shounen Kansatsu Nikki

[Ninnindo (Tonsuke)] Mama-san Kansatsu-ki ~Tomodachi no Haha ni Yokujou Shite Shimatta Boku~ (Pokémon)

[Touka Genteki] Kansatsu Shippai Shuu Vol. 6

(COMIC1☆2) [Takanaedoko (Takanae Kyourin)] Naedoko Ikusei Kansatsu Kiroku (Various)

[Ameyama Denshin] Yuutousei Doronuma Kansatsushitsu | Honor Student in the Quicksand Observation Booth (ANGEL Club 2015-07) [English] =LWB=

(C92) [Neko Pantsu] Kemono Ecchi Kansatsu Kiroku (Kemono Friends)

[Toshiue Onee-san Tengoku (Taki)] Boku no Oba-san Kansatsu Kiroku

Otouto Kansatsu Nikki -Mitsukame-

Zannen Joushi no Kansatsu Nikki

Shoujo Kansatsu Nikki ~ Moriyama Haname no Higeki

[Kuritsu Yoshihiro] Marutto Kansatsu♡ Inkou Kyoushitsu - Let's Observe a Public Fuck in a Classroom

[Labui] Rifujin Yuugi ~Net Namahousou de, Hime wo Customize Shite Kansatsu Shiyou~ THE COMIC Zenpen (COMIC Unreal 2023-08 Vol. 104) [Chinese] [Digital]

Mama Cli Kakuchou Kansatsu Nikki | Mama's clit extension journal

(Kouroumu 9) [Shukketsu Kansatsu Nikki (HemoglobinA1C)] Arishu! (Touhou Project) [Chinese] [靴下汉化组]

Imouto Kansatsu Nikki - The Record of Sex with My Sister

(C94) [Tengu Kotengu (Kotengu)] Boku to Atago Onee-san no Natsuyasumi Sei Kansatsu Nikki (Azur Lane) [English] [Manabe.moe]

Mesudorei Kansatsu Nikki ~Kimo Otoko to Mesudorei-tachi no Hibi Sono 2~

(C92) [IRIOMOTE (Saryuu)] Juujin Seitai Kansatsu Kiroku [Chinese] [無邪気漢化組]

Balse Kansatsu Nikki

Mashㆍkyrielight Suimin Kansatsu Houkokusho

[Momoyama Jirou] ABDUCT ～Ike Nai Shiiku Kansatsu～ | ABDUCT ~The Wrong Breeding Observation~ [English] [desudesu]

[Inochi Wazuka] Usagi-chan Kansatsu Nikki (Otokonoko HEAVEN Vol. 19) [English] [Digital]

Mama-san Kansatsu-ki ~Tomodachi no Haha ni Yokujou Shite Shimatta Boku~

[Sanpaku] Mama Cli Kakuchou Kansatsu Nikki | Mama's Clit Extension Journal (Mesu Inkaku Full Bokki - Clitoris to Erection) [English] [man-machine translations] [Digital]

Goblin no Suana ni Mesu o Irete Kansatsu Shita Kekka ga Yaba Sugita

Henshin Heroine Kansatsu

Natsuyasumi no Saimin Jiyuu Kenkyuu Saimin Chikan ni Ochiru Chiyuki Onee-chan no Jikken to Kansatsu

Otouto Kansatsu Nikki

St. Margareta Gakuen Koku Ch. 5 Shiiku Chibu Ikusei Kansatsu Nikki Sono 1 | 圣玛格丽特学园 酷 第5话 饲育耻部育成观察日记 其一

[Ichikabachika (Ojigi)] Potter-chan Kansatsuki (Harry Potter) [Digital]

(C86) [waterwheel (Shirota Dai)] Suguha-chan Kansatsu Nikki (Sword Art Online)

Sento Isuzu Kansatsu Nikki

(C92) [Tetchan Hato (Minasuki Popuri)] Himawari Kansatsu Nikki | Sunflower observation diary [English] [ATF]

Sensei Kansatsu Nikki

Haguro no Shireikan Kansatsu Note

[Shukketsu Kansatsu Nikki (HemoglobinA1C)] Hekasushi (Touhou Project) [English] [desudesu] [Digital]

Nichijou Bitch Seitai Kansatsu

Suimin Kansatsu

Shoujo Choukyou Kansatsu Kiroku

Kemono Ecchi Kansatsu Kiroku

[Touka Genteki] Kansatsu Shippai Shuu Vol. 8

[EBA] Imouto Kansatsu Nikki 1 days - 2 days

Otouto Kansatsu Nikki

(C64) [kodomo challenge (Various)] Natsu no Kansatsu Nikki

Kyou no Jugyou wa, Chikyuujin no Hanshoku Katsudou no Kansatsu desu | Today's Lesson is Observation of the Breeding Activities of Earthlings

Otouto Kansatsu Nikki -Futsukame-

Mesu Ochi Kansatsu Nikki - Mushoku Ojisan No Onaho Yome Ni Sare Te Shimatta Otokonoko No Matsuro...

Kansatsu to Jissen