Research Support Optimisim

[Tanuking Sleep (Drachef)] Sex Support Zupposhi Gozen (Fate/Grand Order) [Digital]

[wakamaker (wakamesan)] CHALDEAN SUPPORTER (Fate/Grand Order) [English] [Redlantern] [Digital]

[kamen no hito] Rape Support Site | 強姦服務網 [Chinese] [三人的星遺物解放陣線]

Kougaku Shien Patron-sama You Tokubetsu Course - Special course for top support patron

Fellatio Kenkyuubu Blowjob Research Club Ch. 3

(C96) [Tamarun (Tamarun)] Abby Kenkyuu Bon | Abby Research Book (Fate/Grand Order) [English] [Team Chungus TL]

Jii Shien Iinkai | The Masturbation Support Committee

[Fue] Inma no Mikata! | Succubi's Supporter! Ch. 1-2 [English] [biribiri]

[Fue] Inma no Mikata! | Succubi’s Supporter! Ch. 5 [English] {Hennojin}

After School

Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2

They Say That the Kanji for Person Also Means Two People Supporting Each Other!!

New Support Units Nier Domina

Zettai ni Ikasetai Adult Goods Maker Kaihatsubu VS Zettai ni Ikanai Adult Goods Maker Eigyoubu | The Sales Rep Who Absolutely Won’t Come VS The Researcher Who Absolutely Wants to Make Her Come

[Crazy9 (Ichitaka)] C9-45 Sayuri 5 ~ Kareshi no Ouen ni Itta Saki de Shoujo ni Okita Koto | C9-45 Sayuri 5 ~ What Happened With The Girl Who Went To Support Her Boyfriend [English] {Doujins.com} [Digital]

(C94) [kaibido (mokei)] Ecchan wa Support Jouzu (Fate/Grand Order)

Fellatio Research Department Epilogue

Ecchan wa Support Jouzu

Yamato-san's H-Support

Girls are Waiting for Support Chapter 8

[ZENMAIN (Nejiro)] Tokimeki Bunny -Oshikake Bunny no Seishori Support- | Heartbeat Bunny -Uninvited Bunny's Sexual Support- (Blue Archive) [English] [flowerswamp] [Digital]

[Fue] Inma no Mikata! | Succubi's Supporter! Ch. 1 (COMIC MILF 2015-08 Vol. 25) [English] [biribiri]

An Eternally Lowest-Ranked Baseball Club Fully Supported By Crossdressing!? –

(6tsugo no Tamashii Forever) [kirscherise (Yoshiizumi Hana)] IchiKara no Susume. | Support for Ichikara (Osomatsu-san) [English] [Oyasumimi]

Dance! Tentacle Research Center - Seedbed-hen

(C84) [Kacchuu Musume (Yukiyanagi)] Shingeki no Kenkyuu | Attack on Research (Shingeki no Megami) (Shingeki no Kyojin) [English] [CGRascal]

April release for supporters.

[wakamaker (wakamesan)] CHALDEAN SUPPORTER (Fate/Grand Order) [Chinese] [无毒汉化组] [Digital]

Jungle wa Itsumo Hare Nochi Gu!! | The Jungle Offers it's Support!!

(C94) [wakamaker (Wakamesan)] Chaldea Supporter (Fate/Grand Order)

Fellatio Research Department | Fellatio Kenkyuubu - Ch.01

Girls are Waiting for Support Chapter 7

[Fue] Inma no Mikata! | Succubi's Supporter! [English] [biribiri, Hennojin] [Decensored]

Binyuchousain Ayako | Busty Researcher Ayako

[♀ Seraphita ♂] Mannen Saikai Yakyuubu o Josou de Zenryoku Ouen!? | An Eternally Lowest-Ranked Baseball Club Fully Supported By Crossdressing!? [English] [Non Sequitur Snowman]

[Ogawa Kanran] Yoi Kono Jiyuu Kenkyuu | Independent Research Time [English] [Jojo]

(C80) [Kaiten Sommelier (13.)] 26 Kaiten Shiko-Shiko Supporter

[Hroz] Succubus no Ningen Kenkyuu | Human Research by a Succubus [English] [thetsuuyaku + 4dawgz]

[Nigeru Support (Nigesapo)] Daionee-chan to Ecchi Suru Hon (Touhou Project) [Digital]

Onanie Support

Twilight's Research | 暮光学习计划

Latte to Mocha no Mitsumete Onanie Support

[Minamida Usuke] Dokidoki Eizou-Kenkyuu-Bu | Steamy Cinema Studies and Research Club (COMIC HOTMILK 2017-01) [English] [Digital] [Incomplete]

Girls are Waiting for Support Chapter 3

[Zonda] Fellatio Kenkyuubu - Fellatio Research Department | Blowjob Research Club Ch. 3 (COMIC Mugen Tensei 2022-02) [English] [CrinkzScans] [Digital]

[Fue] Inma no Mikata! | Succubi's Supporter! Ch. 1-4 [English] [biribiri]

Tamaki Konomi Les Sca Yuugi

(C91) [Neko wa Manma ga Utsukushii (Hisasi)] Erina-sama no Renai Kenkyuukai. 2 I Erina-sama's love research lab 2 (Shokugeki no Soma) [English] [Metaphrastes]

Sumireko CSu -Hifuu Club Supporters-

(C88) [Tataraba (Tsurugi Hagane)] Lili no Dungeon Seikatsu Support Katsudou (Dungeon ni Deai o Motomeru no wa Machigatteiru Darou ka)

(Reitaisai 14) [Lagrangian-POINT (Akatuki Tetora)] Sumireko CSu -Hifuu Club Supporters- (Touhou Project)

Zecchou Kenkyuujo 2 Orgasm Research Facility 2

[Hara Shigeyuki] Binyuchousain Ayako | Busty Researcher Ayako [English] {Tadanohito} [Digital]

Inma no Mikata! | Succubi’s Supporter! Ch 6

Mikan no Onanie Support

KinTra o Ecchi ni Support shite kureru Kanojo

Sex Support Club!

[Fue] Inma no Mikata! | Succubi's Supporter! [English] [biribiri, Hennojin]

Shinjite Support ni Okuridashita Koumei ga......

Dance! Tentacle Research Institute

Griffin on civilian support |格里芬对民支援

Himitsu Tokkun shiterundakara Irecha Dame !~ Kyou kara Anata no Senzoku Supporter | 應援社辣妹的祕密特訓，插入禁止喔！～從今天開始就是你專屬的教練！ Ch.1-2

(C78) [Yo wa Okazu wo Shomou Shiteoru (Shian)] Onna Kenkyuuin no Ijou na Aijou | A Female Researcher's Abnormal Desire [English] =LWB=

Gacha Hai JK Supportx

Research Love Make Presentation | Research Lab x Expression

Futanari Kenkyuu Dousoukai | Futanari Research Club

(C74) [Moon Night Kitten (Kouki Kuu)] Super Sonico no Saikyou Support Center (Super Sonico) [English] [4Dawgz] [Decensored]

Yuri-ken Beit Boshuuchuu Soushuuhen | Yuri's Lab Wants Research Assistants

Girls are Waiting for Support Chapter 9

Onanie Supporter Hanako