Two Girl's Suck-Suck Research Note
COMIC Papipo 2005-05
(C84) [Kacchuu Musume (Yukiyanagi)] Shingeki no Kenkyuu | Attack on Research (Shingeki no Megami) (Shingeki no Kyojin) [English] [CGRascal]
Comic Papipo 2005-07
[Goto Hayako] Incest Heaven
Busty and the Beast - Pokemom Day Care
(C82) [BlueMage (Aoi Manabu)] Nakoruru Senpai Shikoreru (Hyouka) [2nd Edition 2012-08-24] [English] [Chocolate + LWB]
[Edo Shigezu (eromafia)] Hoshuu Senryaku ~Nishi Ayako Sensei no Baai~ (Bishoujo Kakumei KIWAME 2011-10 Vol.16)
[Kuusou] I Already Have a Huge Titty Girlfriend, But Now My Busty Junior, Hami, Has Come to Entice Me! (COMIC Grape Vol. 33) [English] [Ancient Archon] [Digital][Decensored]
(C97) [Kinqhassin (Koayako)] Sunao ni Nareyo Otonashi-kun | Be Honest, Otonashi-kun [English] {RedLantern}
COMIC Papipo 2006-02
(C95) [Kinqhassin (Koayako)] Kyokou no Umibe nite (Fate/Grand Order) [Chinese] [黑锅汉化组]
(SC35) [Renai Mangaka (Naruse Hirofumi)] Sannin Musume Special! (Fate/hollow ataraxia)
(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " - Turupeta Research Report
COMIC Papipo 2006-01
[Koaya Aco] Oshini Yowai Onna [Chinese]
Zecchou Kenkyuujo 2 | Orgasm Research Facility 2
Sorceress-san Fuzake Sugi!!
[Esuo] Boku to Ayako-sensei | Ayako-sensei and I (COMIC Anthurium 2020-07) [English] [desudesu] [Digital]
Caster Ayako Kanzenban
[Momokan85] Ryota x Ayako R-18 (Slam Dunk)
[Koaya Aco] Oshini Yowai Onna
[Karma Tatsurou] E Nikki | My Picture Diary (Shounen Ai No Bigaku 14 The Kurabekko) [English] [TootOnAHill]
[Sugaishi] Pure Bitch Club (COMIC Kairakuten 2015-05) [English] [YayaKowaiYo]
[Muro Ayako] Riaru na Uranai Daisainan [Digital]
Caster Ayako Kanzenban Ch. 1-16
(C72) [TRI-MOON! (Mikazuki Akira!)] DAILY LIFE (Fate/hollow ataraxia) [English] [FAKKU]
(C82) [Tengusa (tokorot)] Omake no Nako Senpai (Hyouka)
(C66) [Rippadou (Various)] BUSTY HEAVEN Eranyuu Tengoku 2 (Various)
[Shiranui Research Institute (Shiranui)] Shiranuhi Ninpo cho ichi-kan (King of Fighters, Street Fighter) [Digital]
[Distance] Shi Chau? - A cherry boy meets a busty girl (Wanna Do It?) [English] [Tadanohito]
[Bunchindoh (Bunchin)] Tokimeki 6 Ninden (Tokimeki Memorial)
(KoiMari3) [Marireimari Inochi (Various)] Reverse (Touhou Project)
(C83) [ERECT TOUCH (Erect Sawaru)] SHERRY HAZARD (Resident Evil 6, Hyouka, Samurai Spirits)
[Goto Hayako] Fruit Mix - Fresh and Sweet
[RUMP (Bon)] Pai! (Bamboo Blade) [English] [EHCOVE]
Chiiku Gangu - bitchy busty toy
COMIC Papipo 2005-11
(C78) [Draw Go (Souichi)] Tokumei Research 1999 ~ Maya-chan Shinsou Kaimei File ~ (Occult Academy)
Manga Research Triangle
[Kemokomoya (Komori Kei)] Oh,Ayako!More!&More!! (Walkure Romanze)
(Ikai Toshi no Arukikata 2) [Kyrie (Sorimachi Ayako)] Sub Rosa (Kekkai Sensen)
Kayo Busty Girl Training
Zoku Seikishi-sama no Otoshikata
[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]
[Takahashi Note] Jiyuukenkyuu | Independent Research (COMIC LO 2015-11) [English] {5 a.m.}
Jiyuu Kenkyuu de Ochinchin o Shiraberaremashita | We Decided to Examine a Penis for Our Independent Research
COMIC Papipo 2006-10
COMIC Shingeki 2018-08 [Digital]
Oh! Ayako! More!&More!!
(COMITIA104) [Onnanoko Payapaya (Goto Hayako)] Berry Berry Berry A (Poor Poor Lips) [English] [Binbou Scanlation]
(C96) [Tamarun (Tamarun)] Abby Kenkyuu Bon | Abby Research Book (Fate/Grand Order) [English] [Team Chungus TL]
(C82) [Onnanoko Payapaya (Goto Hayako)] Daiji na Hito | Someone Important (Fate/Zero) [English] [ghostyuri]
(C47) [Kisou D Koubou (Various)] Chotto Asa Gohan (Various)
Kyonyuu Mama to Kinshin Soukan | Busty Moms and Intimate Family Relationships Ch. 1
Sannin Musume Special!
Watashi no Tadashii Tsukaikata
(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou | A Female Researcher's Abnormal Desire [English] =LWB=
Saimin Seikatsu [Sonobe Ayako Hen] | Hypnotic Sexual Life
[Scarlett Ann] My Busty Wife Is a Female Escort
Dance! Tentacle Research Institute
A Classroom With Bursting Busties Under Experimental Violation
LITTLE GIRL OF GAME CHARACTER SELECT-1
I Raped the Busty Kunoichi Hinata
Nemurenai Yoru no Tameni
Mature Inran Kyonyuu Hitozuma Sanae | Sanae the Mature, Busty, and Lewd Housewife
Troublekko Saki and Aya and Rin
[Cinnamon, KANGAROO KICK (Macho, Takagi Takumi)] BUSTY & PENNY (TIGER & BUNNY) [English] [Emme]
[Makigai Ikko] Toshi Densetsu no Bakunyuu Cleaning-ten | Busty Laundry Lady From The Urban Legend (Fundoshi Chijo Doutei Gui) [English] [Doujins.com] [Digital]
[Tawara Hiryuu] Saimin Seikatsu [Sonobe Ayako Hatsujou Hen] (COMIC GEE Vol. 7) [Chinese] [心海汉化组]
(C49) [Chandora, LUNCH BOX (Makunouchi Isami)] Lunch Box 16 - Lunch Time 4 (Tokimeki Memorial)
Comic Papipo 2004-07
Busty Mother And Daughter Cuckolded And Are Now Call Girls
Comic Papipo 2004-09
[Fuusen Club] Inka no Shizuku - Nikubenki Sayako 35-sai Sono Ichi [Digital]
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" - Turupeta Research Report
Hedonism
Busty Married Wife Infiltrates Investigator·Aya
[Ikoma Ippei] Caster Ayako 2
Comic Papipo 1998-07
[Rippadou (Various) ] Eranyuu Tengoku Busty Heaven 2 (Various) [Digital]
[Department Y Research Institute] Bōkoku Ōji no matsuro
(C78) [Behind Moon (Q)] Dulce Report 12 [English] [SaHa] [Decensored]
Caster Ayako Kanzenban Ch. 1-2
(C95) [Kinqhassin (Koayako)] Kyokou no Umibe nite (Fate/Grand Order)
Miyu Rape [ENG]
[Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 005 "Dengeki Jigoku" - Turupeta Research Report
Bakunyuu Hitozuma Jukujo no Ecchi na Osusowake | An Extremely Busty Married MILF's Sexual Sharing
I Already Have a Huge-Titted Girlfriend, But Now My Busty Junior, Hami, Has Come to Entice Me!
Busty Friend [English] [Rewrite] [EZ Rewriter]
Boku to Ayako-sensei | Ayako-sensei y Yo
[Hosaka Yuuichi] Doutei Hunter Ayako! | Virgin Hunter Ayako (Kemono For Essential) [English] [SaHa]
Drunk busty woman, continuous vaginal cum shot, on the last train.
Sex with Busty Beauty After Asking Childhood Friend for Sex
Taimashi Tsukigami Sayako ~Kanzen Kousoku Kikaikan~
Kyonyuu Android Sekai Seiha o Netsubou!! Android 21 Shutsugen!! Busty Android Wants to Dominate the World!
(SC39) [Jipohou (Various)] Bamboo no Tatsujin (Bamboo Blade)
[Department Y Research Institute] Bōkoku ōjo no matsuro
Oshini Yowai Onna Ch. 1-4
Legend Busty Paradise 2
Busty Fumina Trial
[Kinku] Jiyuukenkyuu Bitch Report | Research Project: Bitch Report! (COMIC LO 2013-09) [English]
COMIC Papipo 1999-12
[Fuusen Club] Inka no Shizuku - Nikubenki Sayako 35-sai Sono Ni
[Goto Hayako] Nakitagari no Hana
Fellatio Research Department | Fellatio Kenkyuubu - Ch.01
Transformed into a Busty Blonde - Ch. 3
Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2
Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3
COMIC Papipo 1998-08 [Incomplete]
Kyonyuu Motokano o Tomete Agetara Orei ni Shiboritoraremakutta Hanashi. | A Story About How I Let My Busty Ex-Girlfriend Stay Over and Got Milked Dry in Return.
[Matsurioka Hideyuki] Reken ~Shinsoku Raper Domo~ | Rape Researches
Love Love Dakko Shiyo - Love Love hug me
Solo Hunter no Seitai WORLD 6
Comic Papipo 2005-02
(C82) [ERECT TOUCH (Erect Sawaru)] Hyouka no Nakoruru-senpai ga Seitekisugite Ore no Kokan ga Yabai. (Hyouka) [English] {Hennojin}
[Zonda] Fellatio Kenkyuubu Ch. 3 | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [Sloppy Seconds] [Digital]
[Dokurosan] Eiken Lovers | Movie Research Lovers (COMIC Tenma 2009-05 Vol. 132) [English] [Brolen]
(C89) [NAMANECOTEI (Kousaka Kayako, chan shin han)] Oideyo! Nazarick no Futanari Bokujou (Overlord)
Comic Papipo 2006-11
[Kawai Shun] Odoru! Shokushu Kenkyuujo "Naedoko" Hen | Dance! Tentacle Research Center - Seedbed-hen [English] [solowing]
Zero-in ~Aka ga Mazarishi Yoru~
[Hayako Gotoh] Jitsurokudesuyo! Payapaya Life 1
[Gate of XIII (Kloah)] Busty Fumina Trial (Gundam Build Fighters Try) [English] {doujin-moe.us} [Digital]
(Ishin Denshin 2) [Dokodokodondon (Tayako)] Futari de Suru nara (Bakumatsu Rock)
[Yamamoto] Kyonyuu Android Sekai Seiha o Netsubou!! Android 21 Shutsugen!! | Busty Android Wants to Dominate the World! (Dragon Ball FighterZ) [English]
[Azami Donburi (Azamidon)] Bakunyuu Onee-san to Asedaku Sex Shimakutta Hanashi | How I Had Intense, Sweaty Sex With An Extremely Busty Onee-san [English] [CulturedCommissions]
Transformed into a Busty Blonde - Ch. 8
(C51) [Munchen Graph (Various)] Hara Hara Dokei Final Calpis Theater 7:30 (Various)
[Senor Daietsu] Kyonyuu Mama to Kinshin Soukan | Busty Moms and Intimate Family Affairs Ch. 1-2 [English] [Sweetcheeks12353 + CapableScoutMan] [Digital]
(C73) [Studio Wallaby (Nagisa Minami)] Troublekko ~Saki & Aya & Rin~ (To LOVE-Ru)
(C68) [Romantic Ren-Ai Mode (Fujinari Ayako)] eclair (Fullmetal Alchemist)
Nobody's Fault But Mine