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

台無しの時間 (Ansatsu Kyoushitsu)

(Shota Scratch 18) Tashinamu 08 (Various)

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)

[ACID-HEAD (Murata.)] Kiru × Koro (Shinmai Fukei Kiruko-san) [Digital]

Yousei Kansatsu

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

Ranger-chou Kansatsu Nikki

Yuumei Chara Kannou Shousetsu CG Shuu No. 313!! Ansatsu Kyoushitsu HaaHaa CG Shuu

(C85) [Sasa Chaya (Sasa Sakuno)] Nagisa-kun ga Onnanokodattara. Matome (Ansatsu Kyoushitsu)

(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

(Shota Scratch 21) [Mimoton (Mimoton)] Nagisa no Himitsu (Ansatsu Kyoushitsu)

(C92) [Himeya (Abe Inori)] Rental Tanetsuke Oji-san ~27-sai Shojo ga Tanetsuke Oji-san 10-nin ni Hameraremashita~ [Chinese] [无毒汉化组]

(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。

[Tokyo Note, UOHSAOH (Amamiya Amako, Miwa Chikara)] Takotsubo Dining (Ansatsu Kyoushitsu)

Seetai Kansatsu

[ACID-HEAD (Murata.)] Kiru × Koro (Shinmai Fukei Kiruko-san) [English] [Al1r3os] [Digital]

Boku no Oba-san Kansatsu Kiroku

(COMIC1☆8) [Light Garden (Hikabe Sakuho)] Haraguro Megane no Tokoro ni Iru (Ansatsusha) ga Kawaii (Log Horizon) [English] [EHCOVE]

(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

(SC2016 Autumn) [Gyunyu-Gekijo (Gyunyu)] Futanari Danchou ni Shojo♂ o Sasagete Mesuochi suru Ansatsusha nante Iru Wake Nai daro! (Granblue Fantasy)

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

(HaruCC21) [TWINTEL (Rinoko)] Kare no Hajimete no Aite o Shita Hanashi (Ansatsu Kyoushitsu)

(564 Jigenme) [VAPOR (NEEMA)] Karasu no Hieta Soup (Ansatsu Kyoushitsu)

(Bokura wa Koroshiya 2) [Kochiya β (Kochiya)] Torikago - birdcage (Ansatsu Kyoushitsu)

[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]

Chiba Sugaya Manga

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

Sukesuke sensei o kansatsu | 透视老师的性观察

[Sanshoku Dango (Riko)] Happy Merry Christmas Birthday (Ansatsu Kyoushitsu) [English] {Shotachan}

(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

[Himeno Mikan] Iimono Mitsuketa | I Found Something Good (COMIC LO 2015-01) [English] {Mistvern}

Noa no Kansatsu Kiroku

Imouto ga Seishi no Kansatsu o Yamete Kurenai

(COMIC1☆8)　[Light Garden (Hikabe Sakuho)] Haraguro Megane no Tokoro ni Iru 〈Ansatsusha〉 ga Kawaii (Log Horizon)

[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)

(C89) [Kotobukiza (Yuu)] MILK CROWN (Ansatsu Kyoushitsu)

(COMIC1☆15) [Ekurabe (Henoeno)] Kasshoku Hada no Youansatsusha (Final Fantasy Tactics)

Tabi no Haji wa Kakisute | No Shame on Vacation

Ui-chan no Onanie Teiten Kansatsu

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

2D Love Doll

Wo-Kyuu Kansatsu Nikki

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

Itazura Shounen Kansatsu Nikki

[Sanshoku Dango (Riko)] Happy Merry Christmas Birthday (Ansatsu Kyoushitsu) [Chinese] [theoldestcat汉化]

[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)

Saikyou Ansatsusha ga Saiin sarete Buzama ni Okasareru Hanashi 2

[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

[Owari] Gaku Karu ga Eroi Koto Shiteru Dake (Ansatsu Kyoushitsu)

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

(SPARK10) [TWINTEL (Rinoko)] Etsuraku no Kiiroi Shokushu (Ansatsu Kyoushitsu)

[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

Sensuality Classroom

(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]

(SPARK10) [Kotobukiza (Yuu)] Akabane Karma no Nagisa-kun Seikyouiku Shidou (Ansatsu Kyoushitsu)

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]

(SUPER23) [Dogfes (sio)] Kagai Jugyou (Ansatsu Kyoushitsu)

[Shinsei Lolishota (shuffle, kozi)] Ansatsu Otokonoko Kyoushitsu (Ansatsu Kyoushitsu) [English] [mysterymeat3] [Digital]

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]

Chou Onmitsu Ansatsu Shoujo

Kukkoro Heroines Vol. 35

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

Osanai Yakusoku

[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]

(COMIC1☆8) [Light Garden (Hikabe Sakuho)] Haraguro Megane no Tokoro ni Iru (Ansatsusha) ga Kawaii (Log Horizon) [English] [EHCOVE]

Haraguro Megane no Tokoro ni Iru (Ansatsusha) ga Kawaii

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...

[Seiryuu (Seiryuu)] Nazo ooki Chin-jyu Oo megane Zaru no mesu ni sareta syoujo tachi ~1 nen 3 kumi sei syori kakarii~

Isekai Otokonoko Biyaku Henai Cool na Ansatsusha ♂ ni Biyaku o Mottemitara

Kansatsu to Jissen

Heya ni Tousatsu Kiki Tsukete Jiikoui Kansatsu Shiyou no Kai

Karu Ai R18 Matome

Kansatsu Shippai Shuu Vol. 8

Angel-tai Kansatsu Nikki (Galaxy Angel).zip

Koakuma no Patchouli Kansatsuki

Mahou Shoujo Zetsubou Kansatsu Kiroku

Darjeeling no Seikatsu Kansatsu Nisshi.

(SC2015 Winter) [RE:LAY (Kuroiwa Madoka)] PL/RAY END (Ansatsu Kyoushitsu)

Onee-chan wa Otouto no Chinpo o Kansatsu Shitai

[EBA] Imouto Kansatsu Nikki Ch.1-3 [Chinese]

(COMIC1☆8) [Light Garden (Hikabe Sakuho)] Haraguro Megane no Tokoro ni Iru (Ansatsusha) ga Kawaii (Log Horizon) [English] [EHCOVE]

[Fujiyoshi] Kansatsu | 觀察 (COMIC Anthurium 026 2015-06) [Chinese] [漢化組漢化組]

Imouto ga Seishi no Kansatsu o Yamete Kurenai ~Nii-san wa Seishi Undouritsu 99%~

Mikan Kansatsu Kiroku