Kokorochan Kansatsu Nikki

[Omoiukabi Enikki (Yajiro Masaru)] Uiui | Innocent First Time (Fire Emblem Radiant Dawn) [English] {doujin-moe.us}

(C90) [HEARTS & CRUSTS (Nanana Nana)] Natsu Machi Nikki (Kuma Miko)

Suimin Kansatsu

(C88) [Yowatari Kouba (Jet Yowatari)] Boku no Dorei Nikki | My Slave Diary (Prison School) [English]

[Muchakai (Mucha)] Chii-chan Kaihatsu Nikki~Koisuru Otome na Meikko ga Oji ni Okasare, Choukyou sare…~ [Digital]

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

(COMIC1☆8) [OTOMEKIBUN (Sansyoku Amido.)] Seishun Nikki 6 [Chinese] [千易夏河崎個人漢化]

Kansatsu Shippai Shuu Vol. 6

[Shirow Masamune] Madeline no Maid Nikki (COMIC Anthurium 016 2014-08)

(C88) [waterwheel (Shirota Dai)] Suguha-chan Chiiku Nikki | Suguha-chan's Training Diary (Sword Art Online) [English] {doujin-moe.us}

(C81) [macdoll (Shijou Mako(・c_・ ) )] LOST (Mirai Nikki)

[Kotobuki Kazuki] Kaichou no Himitsu Nikki

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

[LUNATIC PROPHET (Arimura Yuu)] Aruhi no Katyusha Nikki (Girls und Panzer) [Digital]

[Sangatsu Usagi] Rii Takashi Hazure no Hatsujou | Rii Takashi's Missing Heat (Himawarikko Nikki) [English] [alphya04]

[Triangle! (Maple, Yami Satori)] Kurage Musume-chan no Amaama Aigan Kouhai Nikki [Digital]

[valssu (Charu)] Roshutsu Shoujo Nikki 16 Satsume [Digital]

(C77) [Takatobiya (Haba Hirokazu)] Chiunippai Nagisa Onee-chan Mesuinu Nikki (Anyamaru Tantei Kiruminzoo)

[Valssu (Charu)] Roshutsu Shoujo Nikki 7 Satsume | Exhibitionist Girl Diary Chapter 7 [English]

[Ari and Mura] Osananajimi Saimin Choukyou Nikki

(CUTE☆6) [CUTE Jimu Kyoku (Guri)] Himitsu no Seichou Nikki | My Secret Growth Record (Cute Anthology Haru) [English] [Hataraki Bachi Translations] [Decensored]

[Naya (Papermania)] Inran Maso Josouko - Ikuko-chan no Mousou SM Nikki [Chinese] [有条色狼汉化]

[TsuyaTsuya] Hisae-san no Haitoku Nikki - Mrs HISAE's immoral diary [Chinese]

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

[Akihiko] H na Rakuen Bishoujo Koukan Nikki

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

(SC33) [Shin Hijiridou☆Honpo (Hijiri☆Tsukasa)] Fuuka no Momoiro Nikki. (Persona 3)

Jikken Seibetsu Kansatsu

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

Nichijou Bitch Seitai Kansatsu

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

(COMIC1☆13) [Shirando (Shiran Takashi)] Akiyama-dono Mousou Nikki (Girls und Panzer)

[Mojarin] Chinchin Sensei no Shaburare Nikki (COMIC Kairakuten 2018-05) [Chinese] [無邪気漢化組] [Digital]

[Ari and Mura] Osananajimi Saimin Choukyou Nikki

(C83) [Sumi Kara Sumi Made (Gabyonuno)] Kudasai! Kokorochan (Tantei Opera Milky Holmes)

Kansatsu Shippai Shuu Vol. 6

(C89) [Metamor (Ryo)] Dosukebe Elf no Ishukan Nikki 1 [Chinese] [无毒汉化组]

[Kai Hiroyuki] Boku no Yamanoue Mura Nikki | My Mountain Village Journal CH. 1-3 [English](hentai2read.com)[Lazarus H](COMIC Penguin Club Sanzokuban)

[Inochi Wazuka] Usagi-chan Kansatsu Nikki (Otokonoko HEAVEN Vol. 19) [Chinese] [管少女汉化] [Digital]

(C68) [Bikkuri Byouten (Oikawa Hechima)] Fumio Nikki (Hani Hani ~Operation Sanctuary)

[wn] Saori no Enkou Nikki

[Drain] Itsumo Harahara Kikenbi Namakan Nikki#6 [Chinese][DP控個人漢化]

[Ari and Mura] Osananajimi Saimin Choukyou Nikki

Bishokuden Kansatsu Princess-tachi no Inkou Kiroku

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

(C75) [Tsukimi Yagura (Hiiragi Touya, Yuuki Satoru)] Vi Vi -Vita To Vivio No Ecchi Na Nikki- (Mahou Shoujo Lyrical Nanoha)

COMIC Kairakuten 2015-03

Nekomimi Shoujo Kansatsu Kiroku

[Satou Nikki] Shinjuu-sama wa Shitsuke ga Dekinai | 神兽大人难以管教 1-6 end [Chinese] [莉赛特汉化组]

[Komenikki. (Marimo)] EreAru Manga (Shingeki no Kyojin)

BTB-30 Wannya no Kansatsu Nikki

[Otomekibun (Sansyoku Amido.)] Seishun Nikki Shucchouban 3 [Digital]

[D2 Algorithm (Rokuichi)] Youkan Nikki (Mirai Nikki) [Digital]

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

[Ari and Mura] Osananajimi Saimin Choukyou Nikki

[NyancoMIC] Chibikko Maruhi Nikki - Secret Diary of Kid

Seishi Kansatsu

[Okayusan] Seishi Kansatsu (COMIC Anthurium 025 2015-05) [Chinese] [无毒汉化组]

(C87) [Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki 2 | Chizuru-chan's Development Diary 2 [English] [Doujin-Moe]

[Muchakai (Mucha)] Chii-chan Kaihatsu Nikki Bangai "Onsen Swapping" Hen [Chinese] [無邪気漢化組]

[Amano Hidemi] Wakazuma Kaihatsu Nikki ~Teishuku Hatsu → Inran Iki~ [Digital]

(C90) [Nozarashi (Nozarashi Satoru)] Kingyoku Shiyou -Kyouhime Nikki-

(COMIC1☆11) [Studio Mizuyokan (Higashitotsuka Raisuta)] Yukari Nikki (Kirakira PreCure a la Mode)

(C81) [Aienkien (Aito Matoko)] There's Love That Can Begin From Stalking Too! (Mirai Nikki)

(C93) [Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki 5 [Chinese] [脸肿汉化组]

(C90) [Metamor (Ryo)] Dosukebe Elf no Ishukan Nikki 2 [Chinese] [无毒汉化组]

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

COMIC Kairakuten 2015-05

[Ari and Mura] Osananajimi Saimin Choukyou Nikki

[Tousen Soudou (Tousen)] Yukkuri Remilia Ikusei Nikki (Touhou Project) [Chinese] [半生不熟汉化组] [Digital]

Maid Flandre Kansatsu Nikki - Maid Flandre observation diary

(COMIC1☆7) [UROBOROS (Utatane Hiroyuki)] Mousou Koukan Nikki wa Herlock Aruki no Yume wo Miru ka? (GJ-bu) [English] {Hennojin}

(C93) [P-POINT (Pikazo)] Asashio To Asobo! Seiteki Nikki Punpun Pen (Kantai Collection -KanColle-)

[STOP-ten] Time Stopper Naokata-kun no Jikan Teishi Nikki Ch. 1 - JK Futari

[Arimura Shinobu] Ayano Kango Nikki

[Eruapo Gundan (Kurabayashi)] Neko Musume Dousei Nikki (Gegege no Kitarou) [Digital]

[Momoyama Jirou] Jinbobo ~Abunai Shiiku Kansatsu~

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

[The Dungeon In Yarn (Yone Kinji)] Koukan Nikki Onaji Apart no Shoujo ni Tada Tada Rape (Wakan) suru dake no Hon [Chinese] [钢刈与狂喜汉化] [Digital]

(C93) [TWILIGHT DUSK (Aya)] Aoi no Netorare Nikki Mou

[Bone Hiko] Noa to Sougo Kansatsu Sawari Aikko (Blue Archive)

Miku no Rankou Nikki

(C93) [Super Ichigo-chan (Misaoka)] Makiba no Bonyuu Nikki [Chinese] [罗洁爱儿个人机翻]

[Misao.] Mia no Natsu Nikki | Mia's Summer Diary (Hajimete Janai yo?) [English] [Rin]

(C94) [Super Ichigo-chan (Misaoka)] Makiba no Bonyuu Nikki ♡♡ 2

[Kai Hiroyuki] Boku no Yamanoue-Mura Nikki Ch.1-8

[EBA] Imouto Kansatsu Nikki - The Record of Sex with My Sister [Chinese]

[TsuyaTsuya] Hisae Haitoku Nikki Kanzenban Ge [English] [Fated Circle]

[Ningen Modoki (Random, Tsukai You)] Compatible Future (Mirai Nikki)

[valssu (Charu)] Roshutsu Shoujo Nikki Soushuuhen 3 Satsume [Digital]

(C88) [Kaientai (Shuten Douji)] Tomodachi no Okaa-san to no Seikyouiku Nikki [English] [Fated Circle]

Suyasuya Kyouko-chan o Osawari Kansatsu

[Amano Jyaku] Erozuma Monzetsu Nikki - Lewd Wife Ecstasy Diary

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

[Yokoshima Nikki] Yokoshima Musume

Tairiku Sensei no Ecchi na Kansatsu!?

(C79) [Kino Manga Sekkeishitsu (Kino Hitoshi)] ORE TO NENE NO SEX NIKKI. (Love Plus)[English -Madao]

(C94) [Deadnoodles] Yohaneko Choukyou Nikki | Yohaneko Training Diary (Love Live! Sunshine!!) [English]

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

[PONCHO MOJAH (Koharu Nanakusa)] Meganekko Ona Nikki [Chinese] [code183漢化] [Digital]

[Yokoshima Nikki] 1 ON 1 de Mechakucha H shita Hanashi [Chinese] [活力少女戰線×黑翼漢化組]

[valssu (Charu)] Roshutsu Shoujo Nikki 13 Satsume [Digital]

[GREAT Acta (tokyo)] Yuka Nikki (Minami-ke) [Digital]

[Ikeshita Maue] Shibamura Saya no Koukan Nikki. - Kyou mo Rijichou to Sex Shiteimasu. 2

(COMIC1☆13) [Chi-Ra-Rhyzhm (Hidaka Toworu)] Mikan Kansatsu Kiroku (To LOVE-Ru)

(C54) [Studio Wallaby (Various)] VITAMIN-B5 1/2 Ruri Ruri Naisho no Arbeit Nikki (Martian Successor Nadesico)

(C88) [Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki 3 [English] {doujins.com}

Suyasuya Kyouko-chan o Osawari Kansatsu

[Yihyeonmin] Drug Candy Ch.0-29 (English) (YoManga)

[Ikeshita Maue] Shibamura Saya no Koukan Nikki. - Kyou mo Rijichou to Sex Shiteimasu. 1

(C88) [Majimeya (Isao)] Getsu Ka Sui Moku Kin Do Nichi 9 Rei-chan no Aijin Nikki (Bishoujo Senshi Sailor Moon) [Chinese]

[Okada Kou] Chu-Gakusei Nikki Ch. 1-3 [English] [YQII]

[Omoiukabi Enikki (Yajiro Masaru)] Unripe (Fire Emblem Radiant Dawn) [Digital]

(Puniket 22) [Ware PON! (KONKON)] Kyouran Pair Diary (Kyouran Kazoku Nikki)

[valssu (Charu)] Roshutsu Shoujo Nikki 7 Satsume [Digital]

[tkc] 手向けの貴方に花束を (ゆめにっき) [Digital]

[Fujimiya Hiroshi] Shoujo no Kaikata Shitsukekata ~ Bishoujo Kankin Shiiku Nikki ~ [Chinese] [櫻姬个人汉化] [Decensored] [Incomplete]

Netorare Kansatsu

[Momoiro Manjiru] Nikushoku Joshi Nikki [Chinese] [篆儀通文書坊漢化]

Suguha-chan Kansatsu Nikki

[Kame no Onaka] CORRUPT&ROTTEN Cutey Liddy no Funiku no Andouille "Sono Yon"

(C90) [RED CROWN (Ishigami Kazui)] Hanamaru Mousou Nikki (Love Live! Sunshine!!)

(C94) [Super Ichigo-chan (Misaoka)] Makiba no Bonyuu Nikki ♡♡ 2 [Chinese] [罗洁爱儿个人机翻]

Nichijou Bitch Seitai Kansatsu

(C91) [Zubunure Lab (Kuragari)] Saorin Ai sare Nikki (Girls und Panzer)

[Sprechchor (Eguchi Chibi, Nintai Akira)] Sei Yariman Sisters Pakopako Nikki Daiikkan

[Sangatsu Usagi] Himawarikko Nikki

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

[Suika Koron] Doukyuusei Kansatsu Catalog

[Kai Hiroyuki] Boku no Yamanoue-mura Haramase Nikki｜My Mountain Village Pregnancy Diary [English]

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

[valssu (Charu)] Roshutsu Shoujo Nikki 6 Satsume [Chinese] [流星汉化] [Digital]

[Kai Hiroyuki] Boku no Yamanoue Mura Nikki | My Mountain Village Journal Ch. 1-8 [English] [Lazarus H]

(C86) [valssu (Charu)] Roshutsu Shoujo Nikki Soushuuhen 1 Satsume

(C87) [Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki 2 | Development Diary Ch.6 – Chizuru-chan Development Diary 2 [English] {2d-market.com}

[Yokoshima Nikki] Ayumi Beast (COMIC Shitsurakuten 2013-05) [English] {eikra3}

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

[Nigakuriya (Nigakuri Takeshi)] Omorashi Sharo-chan Kansatsu Nikki (Gochuumon wa Usagi desu ka?) [Digital]

[Asahina Makoto] Shoujo Kansatsu Nikki [Chinese]

[TsuyaTsuya] Hisae Haitoku Nikki Kanzenban Jou [English] [Fated Circle]

(COMITIA97) [Muchakai (Mucha)] Chii-chan Kaihatsu Nikki | Chii-chan's Development Diary [English] {Doujin-moe.us}

[Denden-dou] Paizuri Nikki

(C90) [Sniff Dogs (Ujiie Moku)] Balse Kansatsu Nikki (Re:Zero kara Hajimeru Isekai Seikatsu)

[Machino Henmaru] Yellow Missile

(COMIC1☆12) [Lucky Chance! (Yuuhi Alpha)] Master no Dr. Romani Kanbyou Nikki (Fate/Grand Order) [Chinese] [EZR個人漢化]

(C81) [Crazy9 (Ichitaka)] Yuki Yuno Ai no Mirai Nikki + 2011 Winter Omake (Mirai Nikki) [English] [darknight]

[Ame no Nikki (Suzuame Shinomi)] Saikin no Imouto Jijou [Chinese] [无毒汉化组] [Digital]

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