(Kouroumu 9) [Shukketsu Kansatsu Nikki (HemoglobinA1C)] Arishu! (Touhou Project)
Otouto Kansatsu Nikki -Mitsukame-
Kansatsu Shippai Shuu Vol. 2
睡眠姦触手本
Maid Flandre Kansatsu Nikki - Maid Flandre observation diary
(Kouroumu 9) [Shukketsu Kansatsu Nikki (HemoglobinA1C)] Arishu! (Touhou Project) [Chinese] [靴下汉化组]
Ui-chan no Onanie Teiten Kansatsu
Kansatsu Shippai Shuu Vol. 6
(Kouroumu 13) [Konpekitou (Touya)] Maid Flandre Kansatsu Nikki - Maid Flandre observation diary (Touhou Project)
[Hatomame (Harazumi Tami)] Ike Nyotaika Keika Kansatsuki (Fire Emblem: Path of Radiance) [Digital]
[EBA] Imouto Kansatsu Nikki 1 days - 2 days
Koakuma no Patchouli Kansatsuki
[Chi-Ra-Rhyzhm (Hidaka Toworu)] Shoujo Choukyou Kansatsu Kiroku [Digital]
(C94) [Tengu Kotengu (Kotengu)] Boku to Atago Onee-san no Natsuyasumi Sei Kansatsu Nikki (Azur Lane) [Chinese] [空気系☆漢化]
Netorare Kansatsu
(Puniket 33) [Yumesaki Annai Kairanban (Hiro Hiroki)] Kokoro-chan Kansatsu Nikki (Kamisama Minarai Himitsu no Cocotama)
[Sanpaku] Mama Cli Kakuchou Kansatsu Nikki | Mama's Clit Extension Journal (Mesu Inkaku Full Bokki - Clitoris to Erection) [English] [man-machine translations] [Digital]
Darjeeling no Seikatsu Kansatsu Nisshi.
(SC56) [Waffle Doumeiken (Tanaka Decilitre)] Buta-san Choukyou Kansatsu Enikki | Observation Picture Diary of Training a Pig (Accel World) [English] [biribiri]
[Cuvie] Kansatsu to Jissen (COMIC Kairakuten BEAST 2018-08) [Chinese] [康仲傑下來打躲避球] [Digital]
(C86) [waterwheel (Shirota Dai)] Suguha-chan Kansatsu Nikki (Sword Art Online)
[pantwo (ZIZ)] Kachi Kuja Kansatsu Nisshi (Final Fantasy IX) [Digital]
(C64) [kodomo challenge (Various)] natsu no kansatsu nikki | Summer observation diary (Original) [English]
(C75) [Hirusuta (Taira Kosaka)] Sensei Kansatsu Nikki (Mitsudomoe)
(C92) [Neko Pantsu] Kemono Ecchi Kansatsu Kiroku (Kemono Friends) [English] [Doujins.com]
Kansatsu Shippai Shuu Vol. 1
Ecchi na Onaka Kansatsu.
[EBA] Imouto Kansatsu Nikki Ch.1-3 [Chinese]
[Kuritsu Yoshihiro] Marutto Kansatsu Inkou Kyoushitsu | 完全的觀察 淫交教室 [Chinese]
Mama Cli Kakuchou Kansatsu Nikki
(C92) [Tetchan Hato (Minasuki Popuri)] Himawari Kansatsu Nikki | Sunflower observation diary [English] [ATF]
Hogokansatsu
Haguro no Shireikan Kansatsu Note
Boku no Oba-san Kansatsu Kiroku
Slime Kansatsu
KanMusu Chichi kosu Kansatsu Kiroku Rei
[Yamamoto Yammy] Nichijo bitchi seitaikansatsu [Chinese]
Nichijou Bitch Seitai Kansatsu
[EBA] Imouto Kansatsu Nikki 1 days (COMIC anthurium 018 2014-10) [Chinese] [名潴學園026]
[EBA] Imouto Kansatsu Nikki 3 days (COMIC Anthurium 022 2015-02) [Chinese] [黑街汉化组]
Josou Ishi no Sourou Chiryou ♥ Kansatsuki
(C79) [Sago-Jou (Seura Isago)] Lynette★Bishop Souchou no Injuu Miyafuji Kansatsunikki (Strike Witches)
[ppatta] Yasei Ningen Kansatsu Nisshi | Wild Human Observation Record [English] [Digital]
[Announ] Kansatsu ~Shoujo Midara Saki~ (COMIC Anthurium 2020-06) [Chinese] [下北泽幕府] [Digital]
(C88) [Takumiya (Goban)] Sento Isuzu Kansatsu Nikki (Amagi Brilliant Park)
Onee-chan wa Otouto no Chinpo o Kansatsu Shitai
[Tsurugi Motoaki] Imouto kansatsu nikki
Balse Kansatsu Nikki
[Touka Genteki] Kansatsu Shippai Shuu Vol. 8
(C74) [Amadeus no Isan (Fujihara Shu, Aoba Shou)] Tengu no Kansatsu Nikki (Touhou Project)
Suguha-chan Kansatsu Nikki
[EBA] Imouto Kansatsu Nikki - The Record of Sex with My Sister [Digital]
(C94) [Yakiniku Tabetai (Derauea)] Mash Kyrielight Suimin Kansatsu Houkokusho (Fate/Grand Order) [Chinese] [绅士仓库汉化]
Imouto ga Seishi no Kansatsu o Yamete Kurenai ~Nii-san wa Seishi Undouritsu 99%~
[Naburu (Yuugai Tosho Kikaku)] Riko no Kansatsu Nisshi (COMIC Shingeki 2009-12)
Jinbobo ~Abunai Shiiku Kansatsu ~
aibyou kansatsu nisshi
(Dai 2-Kai Ultra Summer Festa) [Gyoukousyu (Gon., Kurosai)] Darjeeling no Seikatsu Kansatsu Nisshi. (Girls und Panzer)