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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

[Fujitsuna] Ore ga Nyotaika Deliheal-jou!? Hajimete no Kyaku ga Shinyuutte... Uso! (1)

[Uba Yoshiyuki] Harem Spiral Ch. 1-7 [Chinese] [無邪気漢化組]

[Kurogane Satsuki] Hitozuma demo Daite mireba [Chinese]

[Zucchini] Soukan Twins | Incest Twins (Boku wa Kanojo no Marmot!) [English] {cheesey}

Ushiwaka Marumaru

[Announ] Shunkashoutou Harem Tengoku! Dai 3-Wa Honjitsu Wa Fuyubiyori ~ (COMIC Kuriberon DUMA 2022-02 Vol. 33) [Chinese]

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

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

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

COMIC Penguin Club 2014-09

[Qunami Himehiko, Akahige] Gifu no Nurunuru Massage ~Musume no Kori o Asa kara Kurikuri~ | 義父的濕答答按摩～一早幫忙女兒放鬆肌肉～ Ch. 9 [Chinese]

Maid Flandre Kansatsu Nikki - Maid Flandre observation diary

"Studious" "Ecchi Kimochiii"

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

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

(C90) [MURDERHOUSE (Workaholic)] Oshiete! Syaoran-kun | Teach Me! Syaoran-kun (Cardcaptor Sakura) [English] {Hennojin}

Fumajimena Tsuma

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

[Jamming] Catch the Heart

Oogami Koga Tousatsu Nikki

[Shirasudon] Inran Gakusei Kuromine-san to Shirosaki-san no Yuuwaku

[Takada Kouichi] Lab Coat Female Observation [ENG]

(SC28) [YLANG-YLANG (Ichie Ryouko)] RENDEZ-VOUS (Mobile Suit Gundam SEED DESTINY)

[Matsutou Tomoki] The Rumored Hostess-kun Chapter 1 - Yoh is a Hostess-kun! [English] [mysterymeat3]

[Groucho (Enkin)] Azuki Azusa no Hentai teki na Seikatsu. (Hentai Ouji to Warawanai Neko.)

[Borusiti] Wasurerarenaku Shiteagerukara | I'll Do It So You Won't Forget (COMIC HOTMILK 2023-12) [English] [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]

[Milkdou Shoukai (Milk Koubou)] Oyako (Futari) to Boshi (Futari). Imouto ga Tou-san no Tsuma ni Natta node, Boku wa Kaa-san o Tsuma ni Shimasu...

Mochi x Mochi!

[Toruneko] Konna Mune demo Aisaretai!! (Anoko to Iikoto) [Chinese]

打ち上げ泥酔姦hksfyk

COMIC Anthurium 037 2016-05

Ichigo-chan to

Girisisu Training

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

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

Married Life with Kirigiri-san

[Park Hyeongjun] Sweet Guy Ch.22-42 (Chinese)

Nocturnal Swan

Shounen Zettai Ryouiki

Kami-sama no You na Kimi e Visual Fan Book

The Days of "F" Vol.2

(C85) [HarthNir (Misakura Nankotsu)] Shimakaze(Cos?) Comike ni Arawaru! | 迷路的岛风! (Kantai Collection -KanColle-) [Chinese] [BBLL汉化] [Incomplete]

Somei Yuki Massage Hon

Peaceful Snail Alien Observation Logs

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

[Chotto Dake Aruyo. (Takemura Sesshu)] Nanka Sonna Hi (THE iDOLM@STER) [English] [KFC Translations] [Digital]

BanDrea Nonke-bu Matome

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

Shichibuzaki Crawl

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

Shinya no Dokidoki Blend

Honor Student in the Quicksand Observation Booth

(Senka no Toki) [Kurumi (Himishiro)] Fujunbutsu (Touken Ranbu)

Kouzuki Kallen no Tomadoi R2

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

(C74) [Enshu ～ Spirits ～ (NoBody, Santa Maria)] KURO HOLE (Kodomo no Jikan)

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

Observation Picture Diary of Training a Pig

(KENKAppuru3) [Apoepo Company. (Yuzuru)] Control Play (K)

Seraphita Vol. 4

(C61) [M (Various)] T.r.D sPO-RTSm

YuiAzu!

Yuutousei Doronuma Kansatsushitsu | Honor Student in the Quicksand Observation Booth

Glamorous 4

Code : Maya

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