[Sanbun Kyoden] Observer (COMIC HOTMiLK Koime Vol. 5) [English] [Digital]

[CROCODILE-Ave. (Murakami Maki)] Remix Gravitation 8 (Gravitation)

Yuutousei Doronuma Kansatsushitsu | Honor Student in the Quicksand Observation Booth

About 3.0cm (Lucky Star)

(C90) [Dragon Kitchen (Sasorigatame)] Rem-rin to Naisho no Oshigoto (Re:Zero kara Hajimeru Isekai Seikatsu) [Chinese] [空気系☆漢化]

(C94) [Kindergarten (Hobo3)] Futaba to Kareshi no Ecchi na Ichinichi (Persona 5)

Ochikaku Parasite Chuu

[Luck Gear (Sakura Ryuuken)] SubaToma! (Mahou Shoujo Lyrical Nanoha StrikerS) [Digital]

(C83) [Watosato (Sugiura Sen)] Yae-chan Kenbunroku!! | Yae-chan Observation Record!! (Ganbare Goemon) [English] =TV + Chocolate=

Watashi no Cinderella Kurokawa Chiaki Sairokushuu

(C80) [Asanoya (Kittsu)] Ichika no Choukyou Nisshi 3 (IS <Infinite Stratos>)

[Momoyama Jirou] Jinbobo ~Abunai Shiiku Kansatsu~ | Jinbobo ~The Dangerous Breeding Observation~ [English] [desudesu]

Dekiai Kansatsu Nikki | A Doting Mother’s Observation Diary

(ENDLESS LOVE) [Luciferhood (Uchoten)] Blue Train (Death Note)

(Kouroumu 13) [Konpekitou (Touya)] Maid Flandre Kansatsu Nikki - Maid Flandre observation diary (Touhou Project)

Suisei Observation

[Takada Kouichi] Lab Coat Female Observation [ENG]

せくキャン凸 Dressing Party

絶倫アプリ

Inmon Tsuke no Koibito to Kozukuri Shinai to Derarenai Heya ni Tojikomerareta no de Tanetsuke Shita Hanashi

(C86) [Kyokutou Koumuten (Kikunosukemaru)] GIRLFriend's 6 (Kantai Collection -KanColle-)

Tonde Hi ni Iru

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

[French letter (Fujisaki Hikari)] Classmate no Idol Vtuber o Danshi Zenin no SeFri ni Shite mita (Shigure Ui, Oozora Subaru) [Chinese] [Aca個人翻譯] [Digital]

(C76) [Snob Nerd Works (Sameda Koban)] Hu-zoku! (K-ON!) [English] {darknight} [Decensored]

(Kouroumu 14) [apart de Matteru (Oda Nel apart)] Udongex (Touhou Project)

Cotton Comic 1993-02-03 [Incomplete]

[NeonSign (DRE)] Neon's Report - Fukugougata Shukushou Gas no Kouka Sokutei | Neon's Report - The Observer Effect On Shrinking Gas [English] [Anonymous] [Digital]

Jinbobo ～Abunai Shiiku Kansatsu ～ | Jinbobo ~The Dangerous Breeding Observation~

Sonia's pokemon observation gone wrong

[Kisaragi Gunma] Kouyaku Genshu | Public Commitment Strict Observance (Comic Megastore H 2004-05) [English] [SaHa] [Decensored]

[Fujii Kasai] Tensei Hime♂To Tensei Ouji -轉生公主♂與轉生王子 Ch.4 [Chinese] [狗派個人漢化] [Digital]

(SC56) [Waffle Doumeiken (Tanaka Decilitre)] Buta-san Choukyou Kansatsu Enikki | Observation Picture Diary of Training a Pig (Accel World) [English] [biribiri]

(C58) [BLACK DOG (Kuroinu Juu)] GOLD EXPERIENCE (Bishoujo Senshi Sailor Moon)

(C88) [mon-petit (Mon-petit)] Cinderella Story (THE IDOLM@STER CINDERELLA GIRLS)

Jinbobo ~Abunai Shiiku Kansatsu~ | Jinbobo ~The Dangerous Breeding Observation~

[Sanbun Kyoden] Observer (COMIC HOTMiLK Koime Vol. 5) [English] [Digital]

Little Pet Shop Boys

[Dr.P] Frustration Hold (English) (COMIC HOTMiLK 2015-08)

(C64) [kodomo challenge (Various)] natsu no kansatsu nikki | Summer observation diary (Original) [English]

ABDUCT ～Ike Nai Shiiku Kansatsu～ | ABDUCT ~The Wrong Breeding Observation~

(COMITIA92) [Marked-two (Maa-kun, Shichijou)] Fumi-chan no Kansatsu Nikki (Jou) | Fumi-chan's Observation Diary (Top) [English] [desudesu]

[Nanahoshi Tento] Kanojo no Sukima wa Boku no Katachi - Her gap is my shape [Chinese]

(SC49) [Marked-two (Maa-kun, Juuichijou)] Fumi-chan no Kansatsu Nikki (Ge) | Fumi-chan's Observation Diary (Bottom) [English] [desudesu]

[Anthology] 2D Comic Magazine Shokushu Les Vol. 1 [Digital]

[Umetani Kenji] M no Higeki

RANBU

(C94) [Nawairo Sonata (Himitsu)] Tenkuu to Meikai no Ori (Fate/Grand Order)

酒酔3P～酔った勢いでノンケ友達とやっちゃいました～

BONUS GAME -Bonasu Gemu-

[Vadass (Oltlo)] Dekiai Kansatsu Nikki | Mother's Love Observation Journal [English] [Tigoris Translates] [Digital] [Bar Censor]

[Taniguchi-san] -Tamashii-INSERT LEVEL 3 Houkagojotai Tsuaa (COMIC Unreal 2015-08 Vol. 56) [Chinese] [無邪気漢化組]

C91 Kaijou Gentei Omake Oritobon Ruby ver. Demo Hanttemita

[Old School Academy (Amedama Akihito)] DB HEROINE Z 18-gou Hen (Dragon Ball Z)

Observer ni Kansatsu Sareru Deutschland-kyuu Shimai

(C94) [SAILORQ2 (RYÖ)] KISS ME, DARLIN' (THE IDOLM@STER CINDERELLA GIRLS) [English] [2cooked4you]

JC Kankin de Seikyouiku + JC no Omake

[sekimori kurein]yandere mahoutuka i ha sekizou no otome sika ai se nai mazyo ha manadesi no atu i kuti zuke de tokeru~01｜病娇魔法使只爱石像少女 融化在爱徒热烈亲吻中的魔女~01[Chinese] [橄榄汉化组]

(C85) [PINK.in BLACK (Kanaru)] Tenryuu ga Kawai Sugite Teitoku wa Gaman no Genkai (Kantai Collection -KanColle-)

[Tempuru] Albedo & Sucrose's Isekai Observation Research Report

[Okano Ahiru] Yuukou Feromon no Kusuri

ABDUCT～Ike Nai Shiiku Kansatsu ～ | ABDUCT ~The Wrong Breeding Observation~

(C87) [ReDrop (Miyamoto Smoke, Otsumami)] Cinderella, After the Ball ~Boku no Kawaii Ranko~ (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [脸肿汉化组]

(COMIC1☆10) [Ohoshisamadou (GEKO)] Honoka Fan Kanshasai -Datte Rankou Party Owaranai- (Love Live!)

[FAKE An] Natsumi UpDown 2 (Kimama ni UpDown)

(C85) [Vanilla-dou (Itou Puriso, Kounose Akara)] Ore no Kyohou ni Kongou-gata ga Meromero Sugiru!! (Kantai Collection -KanColle-)

Honor Student in the Quicksand Observation Booth =LWB=

[Kurokoshi You] Setsugetsuka (in Suru?) [Chinese] [魔導肥宅嵌字]

(Konai to Shikei dakara) [SILMARIL (Ayakaze Ryuushou)] HYBRID CHILD 21R (The Melancholy of Haruhi Suzumiya)

Tonight the World is Ours

(C88) [Hannama (Soine, ShindoL, Hitsujibako)] Marushiri (Dungeon Meshi)

[Uziga Waita] Mai-chan no Nichijou [Chinese]

Sister Cleaire to Himitsu no Saimin Appli 2

(SC61) [King Revolver (Kikuta Kouji)] Tenpo (Kantai Collection -KanColle-)

[EXTENDED PART (YOSHIKI)] Yahari Ore wa Hentai Love Come ga Ii. 3 (Yahari Ore no Seishun Love Come wa Machigatteiru.)

My Big Brother Was Making a “Little Sister Observation Record,” So I Pretended to Have Zero Sexual Knowledge and All Sorts of Things Were Done to Me

[Abubu] Prince-like girl [Japanese, English]

A Daughter Followed by Her Mother A Spring Full of Thunders 1-2

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

Honor Student in the Quicksand Observation Booth

ROUGH vol.57+

(Comitia100) [Metiorite Observation Center(Mi no Ji)] Mimesis

(C81) [macdoll (Shijou Mako(・c_・ ) )] LOST (Mirai Nikki) [English] {CGrascal}

(C94) [Stoic Romance (Ariga Tou)] Tatsuta ga Ofuro de Teitoku to. (Kantai Collection -KanColle-)

Futanari Reimu to Futanari Marisa ga Micro Bikini de Ichaicha Suru Hon

Yakumo Ran VS Semen sucking worm

[Ribons Nights (Kyouno Aki)] 35-sai mo Toshiue no Ojisan to Ecchi Sono 2 [Digital]

そして今日も弄ばれる

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

Ikkousen Akagi no Nenryou More ga Ikkoni Tomaru Kehai ga Nai no Daga

Jikoai

[Akatsuki Akaza Dou (Fusisya O)] Neko Nabe! [Chinese]

[NeonSign (DRE)] Neon's Report - Fukugougata Shukushou Gas no Kouka Sokutei | Neon's Report - The Observer Effect On Shrinking Gas [English] [Anonymous] [Digital]

Observation Picture Diary of Training a Pig

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

BUDDYHERO

[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]

Fuuki Iin wa Futsuu ni Kimochii Anal Sex ga Suki

[Yuzuponz (You)] Nikugen Benki ~Choukyou Kakuchou Soshite Ochiru Made~ (Saki) [Digital]

Maid Flandre Kansatsu Nikki - Maid Flandre observation diary

[Yoshiura Kazuya] Kizashi Ch. 1-7

Felis Catus (Tales of Vesperia)

Repulse to Issho!

[Yihyeonmin] Drug Candy Ch.0-36 (English) (YoManga) (Ongoing)

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

Rei Chunri [Street Fighter]

Sono Kuchibiru ni Ai o - Love & Lips

Gokuraku Chou San no Kata

夏にちか

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

ムチプリ

Koishi-chan no Oneshota Hon.

[Inochi Wazuka] M-jo Senka? | Maso-Bitch Specialty? (Nyotaika! Paradise 04) [English] [gender.tf] [Decensored]

CL-orz 37

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

Peaceful Snail Alien Observation Logs

Maria-sama ga Miteru Baishun 8 | Prostituyendonos mientras María nos Observa 8

Mochi-ya LOG

[Nyuu Koubou (Nyuu)] Nandemo Shite Shite Ecchi Girls Touhou Salon - Yakumo Ran (Touhou Project) [English] [q91] [Digital]

[Kurubusi-kai] Suisei Observation (Rozen Maiden) [ENG]

Valentine Hiei-chan Ecchi

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

[Sky Team (Hiroshi)] Painting Noir (Noir)

Kocchi Muite Darling!!

[Meikyuu Koubou (Cream Creap, Ishizakakouji Kiyomi)] Cross Soul 2 (Yu-Gi-Oh!) [English] [Incomplete]

[Gensou Mikan (Kirimia)] Chibikko Senpai JK no Otona na Shigoki [Chinese] [冊語草堂] [Digital]

[Kijima Daisyarin] Mesuochi Kichikukan [Chinese]

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

(C84) [Jiyuugaoka Shoutengai (Hikari Naori)] Usagi no Me wa Akai (Girls und Panzer)

[Kisaragi Gunma] Kouyaku Genshu | Public Commitment Strict Observance (COMIC Megastore H 2004-05) [English] [SaHa]

After Romance

[Moketa] Mikan-chan wa H ni Kuwashii | Mikan-chan's First Time (COMIC Anthurium 2017-01) [English] [Black_Viper] [Digital]

(Reitaisai 8) [Yumenokage (Kirino Souya)] Lunchi Pack (Touhou Project) [Chinese] [布洛基个人汉化]

[Chimee House (Takapi)] Sachina no Koukou Nikki 3 [Digital]

Ero Heartland

(C85) [Spermation (Tamatsuyada, Satou Kimiatsu)] Energy Kyo-ka!! Soushuuhen 1 NukiSuppo Hen ch.1 [English] =Krizalid=

[アンソロジー] アルバイト☆すきゃんだる Lucky Version