Shishunki Shoujo Seichou Zukan 02

(COMIC1☆6) [40010 1-GO (40010 Shisakugata)] SAKKN Shinobu no Araragi Koyomi Kansatsu Nikki (Bakemonogatari)

Tsuma ga Kakushiteita Video... ~Motokare Netorase Kansatsuki~ Kouhen

Mama kuri kakuchou kansatsunikki | Mama's clit extension journal

Ura Tsuma Kansatsu Nikki

Kao wa Sokkuri nanoni Karada wa Sorezore Chigau Houkou ni Seichou Shita Osananajimi no Futago-chan

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

Darjeeling no Seikatsu Kansatsu Nisshi. | 大吉嶺的性生活觀察日誌。

Echiechi Seichou Kiroku Ch. 1-2 | 色情滿滿成長記錄

Seetai Kansatsu

C9-19 Kami-sama to Suiminkan | Assaulting the Sleeping Goddess

[Tengusa (tokorot)] Seichou Kiroku [Digital]

(C89) [Hotori Bocchi (Sakurazari Hotori)] Ushio-chan no Nijiseichou o Iwau Hon (Kantai Collection -KanColle-)

Boku no Oba-san Kansatsu Kiroku

(Kouroumu 10) [Sushi-ya (Haruto)] Kanyou Shokubutsu - Youmu no Kansatsu Nikki (Touhou Project)

[Cuvie] Kansatsu to Jissen (COMIC Kairakuten BEAST 2018-08) [Chinese] [康仲傑下來打躲避球] [Digital]

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

Jikken Seibetsu Kansatsu

Seichou Kiroku Kanae Hen

(COMIC1☆6) [Kaze no Gotoku! (Fubuki Poni, Fujutsushi)] Mahou Shoujo Zetsubou Kansatsu Kiroku (Puella Magi Madoka Magica)

Futanari Kanojo -Seichou Hen-

[Niichiku] Ecchi na Otetsudai Inu no Seichou Kiroku | 色情护工犬的性成长记录 4-5 [Chinese] [Digital] [完结]

[Mdo-h] Lolita Record -Seichou Kiroku-

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

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

Kinpatsu Oba-san no Suiminkan | My blonde aunt. Sleep rape

(C97) [Hiyotama Goten (Nagase Yutaka)] Ako-chan Seichou Nikki (Saki)

[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]

[Akatsuki Katsuie] Sukusuku Seichouki | 茁壮成长性长期 (Damasare Kids) [Chinese]

[Chi-Ra-Rhyzhm (Hidaka Toworu)] Shoujo Choukyou Kansatsu Kiroku [Digital]

[Nekomata Naomi] Futari no Seichou (Their Sexual Growth) (Original) (English) =Team Vanilla=

Sukesuke sensei o kansatsu | 透视老师的性观察

(C86) [Yakiniku Tabetai (Delaware)] Nonna-san no Muteikou -Suiminkan Kaihatsu Hen Itazura Hen Set- (Girls und Panzer)

(Kouroumu 9) [Shukketsu Kansatsu Nikki (HemoglobinA1C)] Arishu! (Touhou Project)

Asutoraru no shuraba kansatsu nikki

Maid Flandre Kansatsu Nikki - Maid Flandre observation diary

Hogo Kansatsu Doumei

Ecchi Daisuki Seichouki - 00

Ro-chan no Natsu no Resort de Suiminkan

[Mikezoutei] InCha Otaku no Boku to YouCha Otenba Kanojo no Icha Love Yarimakuri Seichouki

Yui-chan seichou-chuu Yui chan esta creciendo

Succubus Sensei ga Madorondara

[Intoku.info (Endou Hiroto)] Seichouki no Yuutousei wa Sensei to no Fureai de Dansei o Yoshuu Shitai! [Chinese] [满月汉化组] [Digital]

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

Kanna to Seichouki

(C86) [Fukutsuu Okosu (Kaiou)] Youmumu Konpaku Youmu Suiminkan (Touhou Project) [English] [naxusnl]

Noa no Kansatsu Kiroku

Imouto ga Seishi no Kansatsu o Yamete Kurenai

[Kiriyama] Rika no Kansatsu Kiroku (COMIC X-EROS #14) [Chinese] [无毒汉化组]

[Neko no Youchuu Kansatsukai (Neko no Youchuu)] Himitsu Shinryou Kiroku (Arknights) [Chinese] [LC整合汉化组] [Digital]

iedeshoujonakadashi ki me se ku kyouseichoukyou

[Kacchuu Musume] Gokudou Kansatsu Nikki (Various)

Ryza ga Nice Body ni Naru Kusuri o Nondara Yosou Ijou ni Seichou shite shimatta E

Ui-chan no Onanie Teiten Kansatsu

chóng To yōsei no kansatsu nikki | 虫与妖精的观察日记

Kinpatsu Oba-san no Suiminkan

Touhou Seichou - Hyaku Sen Hajime

[Aida. (Shimajirou)] Seichouki. | Teenage Years. [English] {Octagon}

[Leonat] Kaede-chan Seichouroku (Blue Archive) [Textless] [Uncensored]

Wo-Kyuu Kansatsu Nikki

Bokura no seichouki

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

[Yue] Kao wa Sokkuri nanoni Karada wa Sorezore Chigau Houkou ni Seichou Shita Osananajimi no Futago-chan

Itazura Shounen Kansatsu Nikki

Suiminkan

Kaede-chan Seichouroku

Suiminkan de Mezameta Toki ni wa Majiiki Sunzen!? "Osake no Sei demo... konna Otoko no de Kanjichau nante!" 22

[Ninnindo (Tonsuke)] Mama-san Kansatsu-ki ~Tomodachi no Haha ni Yokujou Shite Shimatta Boku~ (Pokémon)

InCha Otaku no Boku to YouCha Otenba Kanojo no Icha Love Yarimakuri Seichouki

Henshin Heroine Seichou Kiroku

[Aida. (Shimajirou)] Seichouki.

[Anthology] Suiminkan Ecstasy Kanojo ga Neteru Aida ni vol.2 [Digital]

[Touka Genteki] Kansatsu Shippai Shuu Vol. 6

(COMIC1☆2) [Takanaedoko (Takanae Kyourin)] Naedoko Ikusei Kansatsu Kiroku (Various)

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

(C92) [Neko Pantsu] Kemono Ecchi Kansatsu Kiroku (Kemono Friends)

[Yanagawa Rio] Suiminkan Revenge Doutei! | A Virgin Boy's Sleep Rape Revenge (COMIC Masyo 2019-11) [English] [desudesu] [Digital]

Nayu-chan no Seichou Kiroku

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

[Kameyoshi Ichiko] Ecchi Daisuki Seichouki - A Growing Girl Loves Sex. [Digital]

Otouto Kansatsu Nikki -Mitsukame-

Zannen Joushi no Kansatsu Nikki

Shoujo Kansatsu Nikki ~ Moriyama Haname no Higeki

[Teruwo] Ryza ga Nice Body ni Naru Kusuri o Nondara Yosou Ijou ni Seichou shite shimatta E (Ryza no Atelier) [English]

(C86) [Yakiniku Tabetai (Delaware)] Nonna-san no Muteikou -Suiminkan Kaihatsu Hen Itazura Hen Set- (Girls und Panzer) [Chinese] [空気系☆漢化]

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

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

Mama Cli Kakuchou Kansatsu Nikki | Mama's clit extension journal

[Oshiro] Dondon Seichou Suru Hatsujou no Igyou Musume to Boku [English]

(C93) [littlehopper+Ziggurat (Hashibiro Kou)] Sae-chan no Hatsutaiken 2 ~Katte ni Monzetsu Suiminkan~ [Chinese] [奈欧斯个人汉化]

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

Imouto Kansatsu Nikki - The Record of Sex with My Sister

Massage to Itsuwatte Imouto no Hinnyuu o Mainichi Monde Itara Kyuuseichou Shichatta Hanashi

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

Jibun no Seichou Guai o Jikaku Shitenai Osananajimi to Yuujou Houkai SEX

[Uesugi Kyoushirou] Idol wa Seichouki | The Idols are Growing Up Ch. 1-2 [English]

Mesudorei Kansatsu Nikki ~Kimo Otoko to Mesudorei-tachi no Hibi Sono 2~

(C91) [Ichio-ya (Ichio)] Suiminkan Haramase Kochiya Sanae (Touhou Project)

(C92) [IRIOMOTE (Saryuu)] Juujin Seitai Kansatsu Kiroku [Chinese] [無邪気漢化組]

[Pecan (Makunouchi)] Seichou Toukoubi | Adulthood School Day [English] [Tigoris Translates]

(Haruka Naru Outo VI) [Kyusuisei Polymer (Kyusui)] Ouji-sama wa Seichou-ki (Arslan Senki)

Balse Kansatsu Nikki

Mashㆍkyrielight Suimin Kansatsu Houkokusho

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

(C90) [Fukutsuu Okosu (Kaiou)] Sumireko Suiminkan Bon (Touhou Project) [English] [naxusnl]

[Inochi Wazuka] Usagi-chan Kansatsu Nikki (Otokonoko HEAVEN Vol. 19) [English] [Digital]

Dondon Seichou Suru Hatsujou no Igyou Musume to Boku 2

Shinseki no Onnanoko ga Kyuuseichou Shite Bakunyuu ni Narimashita | A relative of yours develops suddenly and gets MASSIVE TITS

[CHINZURI BOP (Chinzuriina)] SpoBra KneeSo Jittei to Suiminkan ya Icha Love H Shichaitai [Chinese] [瑞树汉化组] [Digital]

Mama-san Kansatsu-ki ~Tomodachi no Haha ni Yokujou Shite Shimatta Boku~

Sumireko Suiminkan Bon | 스미레코 수면간책

[Matsuzawa Kei] Dainiji Seichou Ura Hakusho

[Sanpaku] Mama Cli Kakuchou Kansatsu Nikki | Mama's Clit Extension Journal (Mesu Inkaku Full Bokki - Clitoris to Erection) [English] [man-machine translations] [Digital]

Goblin no Suana ni Mesu o Irete Kansatsu Shita Kekka ga Yaba Sugita

[Tengusa (tokorot)] Seichou Kiroku [Chinese] [Digital]

Henshin Heroine Kansatsu

Natsuyasumi no Saimin Jiyuu Kenkyuu Saimin Chikan ni Ochiru Chiyuki Onee-chan no Jikken to Kansatsu

[Amano Kazumi] Henai Kanojo ~Yada Kareshi no ga Hoka no Ko ni Haicchatteruu~ [Digital]

[Kumisan, Habezamurai] Seichou shita Imouto no Karada ni Kuramura shite... ~Dame da to Wakatte ite mo Risei o Osaerarenai~ 1

(brilliantdays 4) [Dolce Einsatz (Tomoe Kiko)] Shuwashuwa Suiminkan (Ensemble Stars!) [Chinese] [瑞树汉化组]

[Airandou] Seichouki ga Konai JK

Otouto Kansatsu Nikki

Seichouki after

St. Margareta Gakuen Koku Ch. 5 Shiiku Chibu Ikusei Kansatsu Nikki Sono 1 | 圣玛格丽特学园 酷 第5话 饲育耻部育成观察日记 其一

Kimi no Seichouki

[Ichikabachika (Ojigi)] Potter-chan Kansatsuki (Harry Potter) [Digital]

(C86) [waterwheel (Shirota Dai)] Suguha-chan Kansatsu Nikki (Sword Art Online)

Shinseki no Onnanoko ga Kyuuseichou Shite Bakunyuu ni Narimashita

Sento Isuzu Kansatsu Nikki

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

Sensei Kansatsu Nikki

Haguro no Shireikan Kansatsu Note

[Shukketsu Kansatsu Nikki (HemoglobinA1C)] Hekasushi (Touhou Project) [English] [desudesu] [Digital]

Shikimori-san Suiminkan Nemutteru Aidani Tanetsuke

Touhou Suiminkan Goudoushi

C9-19 Kamisama to Suiminkan

(C86) [Yakiniku Tabetai (Delaware)] Nonna-san no Muteikou -Suiminkan Kaihatsu Hen Itazura Hen Set- (Girls und Panzer)