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

霧島トーカの玉握り+射精

Yuutousei Doronuma Kansatsushitsu | Honor Student in the Quicksand Observation Booth

[Studio Q (Natsuka Q-Ya)] Naruko no soushitsu (Ano Hi Mita Hana no Namae wo Bokutachi wa Mada Shiranai)

[Hayakawa Mamoru] Sudeni Nurunuru. | Already Nurunuru.

(C81) [Ai Wa Kurayami (Marui Ryuu)] Hotaru to Yoru (Ghost Sweeper Mikami)

[Nyankone (ro)] Bokurano@Mii-chan [English] [BSN] [Digital]

[Tendou Masae] Ochita Mesubuta-tachi - Fallen Bitches [Digital]

[UNreal (Akage no UN)] Musashi-chan wa ♀ no Karada (Fate/Grand Order) [Digital]

(C92) [Kamogawaya (Kamogawa Tanuki)] LoveHala! Love Halation! Ver.H&R (Love Live!)

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

Adventurer-chan Gets Caught in a Trap and is Taken Away

[NextPreview (Kasuki Masato)] DS no Naka no Rinko (Love Plus) [Digital]

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

Coneco!! Chapter 2 - Cohabitation Kitten

(C86) [Magic Private Eye (Mitsuki Mantarou)] Kanmusu wa H Daisuki 3 Doko Fuku Shimakaze Amatsukaze (Kantai Collection -Kancolle-)

[St. Rio (kakky, Kitty, Tanataka)] Yuna a la Mode 3 (Final Fantasy X) [English] [EHCOVE]

Dekiai Kansatsu Nikki | A Doting Mother’s Observation Diary

[Anthology] Bishoujo Doujinshi Anthology 1 (Various)

Valentine

FEMBOY FRIEND 2

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

Suisei Observation

Okita san to Sex | 오키탁스

[Takada Kouichi] Lab Coat Female Observation [ENG]

[X Pierrot] メリークリスマス！！サンタクロース♀だよ★

[Hidemaru] Hustle! Danchizuma Ch. 1-17 [English] [Lazarus H]

Ninja Slayer from Erodojin

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

[Manabe Jouji] Tail Chaser 1

[Xion] Mirror Collection Vol.9 [English]

[Hokama Mitsuri] Kanjiru Oppai Hatsuikuchuu

[Rocket Monkey] Tsuki ga Noboru Kouhen | Moonrise Kouhen (COMIC HOTMILK 2018-09) [Chinese] [無邪気漢化組] [Digital]

1月1日から君といっしょ

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

Kanmusu Chakunin Zenya - Atlanta Mune-Sei Houshi Katsudou

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]

(C81) [Radiant, Spread-Pink (Yuuki Makoto, Zinno)] Guilty (Guilty Crown, Super Sonico)

[Sekine (Sekine Hajime)] Gochuumon wa Kokoa to Yukata desu ka? - is the order a cocoa and yukata? (Gochuumon wa Usagi desu ka?) [Digital]

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

[Hikikomorisuto] Gitai ~ kaijin wa koibito ni narikawaru

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

Futago de Joshikatsu! | Twin GIrls Life...!

Trance G Star

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

okaasan ha you to machigaeru dakara boku mo machigaeru

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

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

FAIRY SLAVE

Comic LO 2006-07 Vol. 28

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

(C76) [Karomix (karory)] Splash Summer

Himitsu no Dougu de Tasukete Kanaemon 1

[Anthology] Little Pierce Vol.38

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

[2P-Color (Tsukimoto Kizuki)] Arachlatro ni Tsukamatte Ryoujoku Sareta Martina no Hon (Dragon Quest XI) [Digital]

[Studio SFC (Various)] Parodic 3 (Various)

Action Pizazz DX 2018-09 [Digital]

| Supervisor's Secret

Inside the Meat

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

[Roppongi Nyuugyou] Sakyutomo [Chinese] [羅莎莉亞漢化] [Digital]

Observer ni Kansatsu Sareru Deutschland-kyuu Shimai

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

[Lolimate Seizou Koujou (Lolimate)] Shinmyoumaru ga Onaho ni Machigawareru Hon (Touhou Project) [Digital]

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

(C65) [Junpuu Manpan-Dou (Hida Tatsuo)] Naked HEART (ToHeart)

Honor Student in the Quicksand Observation Booth =LWB=

(C95) [Gastroenteritical Stiff Neck (Rinsan)] SHINY BUNNIES (THE iDOLM@STER: Shiny Colors) [English] {Doujins.com}

[Amedori] Himitsu no... | Our Secret... (COMIC LO 2009-08) [English] =Ero Manga Girls + maipantsu=

Junjou Ecstasy 2

Action Pizazz 2014-01

buruaka ako noxtu to ri

Yoku Dekimashita. Riamu-chan

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

Honor Student in the Quicksand Observation Booth

Kawauso-chan to Muchix

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

[Kimura Rongaku] Naruga-san no Chinko Soushuuhen

[Aoi Hitori] Yankee Zuma Kanraku! ~Hitozuma Kanochi Onsen~

(C65) [2CV.SS, 4CR (Asagi Yoshimitsu, douchi, Zoukibayashi)] GOGO Vol. 02 (Full Metal Panic!)

TOILET side：tsumugi

Spring Has Come

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

[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

Teishinchou Josei to Papakatsu Shite Shasei Kanri Sareru Ero Sakka no Matsuro

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

Benkyou yori mo Mama to no Sex ga Daiji

Aofurashi

[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]

[Takaman] Christmas Zuikaku (Kantai Collection -KanColle-)

Yankee Zuma Kanraku! ~ Ch. 1-13-FULL

[Okayusan] Kimochiii Kimodameshi (COMIC Anthurium 2016-09) [Chinese] [無邪気漢化組]

Maid Flandre Kansatsu Nikki - Maid Flandre observation diary

[Drill Murata] Ran Chiki [Chinese]

Shota ga Hidoi me Ni au Hanashi

[Tsurugi Motoaki] Futari no Himitsubeya

(C74) [GALAXIST, Synthetic Garden (BLADE, Miwa Yoshikazu)] War Monger II+ (Fantasy Earth ZERO)

Lady Garden Ch.1-4

[Shihai Shoujo (Dining)] Medaka The End 3 (Medaka Box) [English] [J-Eye]

[Eight Beat (Itou Eight)] Fuaiso de senotakai kanojo ga ore no shiranai ma ni… [Digital]

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

[1/Fyuragi(Aizawa Yang)]Ya...Yamero—!! Mad Burnish No Oyadama—！(promare)[Chinese][浇不灭爱情的火焰汉化组]

Seifu Kounin NTR Kozukuri Matching

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

Ajisai Bloomer

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

Peaceful Snail Alien Observation Logs

Evangelion - Genshi Shito Arawaru no Maki | Misato's Orders: The Atomic Angel Appears

(C97) [スーパースター (ほしの。)] おんせんいっこうせん -preview-改 (艦隊これくしょん -艦これ-)

[PIero] Chichi Katajikena no Chichi no Sera-san (ANGEL Club 2016-09) [Chinese] [i751207個人漢化] [Digital]

[Vpan's EXTASY (Satou Kuuki)] Kegareboshi Ao ~Nerawareta Shinjin Idol, Asaba Ibuki~ | Dirty Star "Blue" ~Targeted Novice Idol, Asaba Ibuki~ [English] [biribiri] [Digital]

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

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

Iku mono gakari to shōjo ga kaeru machi sōshūhen

nugaseteageyokka

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

エーテル財団職員ちゃん

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

(C58) [BLACK DOG (Kuroinu Juu)] Gold Experience (Sailor Moon) [English] {Tithonium}

La Campanella della Benedizione - Tech Gian Super Prelude

(C84) [UDON-YA (Kizuki Aruchu, ZAN)] Furohile Zero

洗脳快楽笑顔 JK柚子完堕ちNTR妊娠編

[Sumomo Dou (Sumomo EX)] Kousoku Bijutsukan | Restraint Art Museum [Chinese] [RM36] [Decensored] [Digital]

Kaworu-kun e no Present

[LOLI Seiyouken (PANBAI)] Sokuochi Witch Nobeta (Little Witch Nobeta) [English] [aerozext] [Digital]

(COMIC1☆6) [40010 1-GO (40010Prototype)] SAKKN Shinobu no Araragi Koyomi Kansatsu Nikki | SAKKN - Shinobu's Observation Diary of Araragi Koyomi (Bakemonogatari) [English] [QB-TL + doujin-moe]

Maji Love

[ppatta] Yasei Ningen Kansatsu Nisshi | Wild Human Observation Record [English] [Digital]

SWEET SPOT

[Amagappa Shoujogun] Oogetsuhime no Yama | The Mountain of Amputee Princesses (Ryona King Vol. 4) [English] =7BA=

Himawari Kansatsu Nikki | Sunflower observation diary

[Suemitsu Dicca] Magical Insence Vol. 04 (Koushoku Shounen Vol. 07) [Chinese] [刷牙子汉化] [Digital]

(C84) [DenMoe (Cait)] Kyousou Sanjoukyoku (Date A Live) [English] [Life4Kaoru] [Decensored]