Onii Chan To Sex Kenkyuu

[Sake no Sanran (Haiiroguma)] Daiyousei no Cirno-chan no Oshiri Kaihatsu (Touhou Project) [Digital]

(C93) [Raijinkai (Haruki Genia)] Tawawa no Kanshoku 4 (Getsuyoubi no Tawawa) [Chinese] [空気系☆漢化]

[Kotee] Kuro-chan ga Saiminjutsu ni Kakatta Furi o Shite Kimodebu Doutei Sochin Oji-san no Aka-chan o Buriburi Umimakuru Hon (Fate/kaleid liner Prisma Illya) [Digital]

[Tanabe Kyou] Petitx

(C67) [FlavorGraphics* (Mizui Kaou)] From Shinyokohama To Akihabara (Shuukan Watashi no Oniichan)

[Sumomo Dou (Sumomo EX)] Ririan.3 Futanari Mizuho-chan (Otome wa Boku ni Koishiteru) [English]

(C83) [U.R.C (Momoya Show-Neko)] Nao-chan de Asobou (Smile Precure!)

(Reitaisai 12) [Berry!16 (Mori Guruta)] Kusuguri Ryoujoku Reimu-chan (Touhou Project) [English] [biribiri]

(COMIC1☆10) [CHOCOLATE CUBE (Miwa Futaba)] Chino-chan wa Goshuushin 3 (Gochuumon wa Usagi desu ka?) [Chinese] [绅士仓库汉化]

[Lithium] 100-nichigo ni Aiken to Sex suru Jimi Kyonyuu Megane-chan

(SC2018 Summer) [Hikari no Tomoshibi (Kousoku)] Shinjite Partner Shuffle Shita Ichigo-chan ga... (DARLING in the FRANXX)

(C83) [Awareness (Aikawa Touma)] IRIS11 (Onii-chan dakedo Ai sae Areba Kankeinai yo ne)

(CR35) [INFINITY-FORCE (Various)] Shuukan Onii-chan ga Miteru Waku Waku. (Shuukan Watashi no Onii-chan)

Josou Onii-san ga Nonke o Torotoro ni Naru made Kaihatsu Shitara 2 丨女裝大哥哥把直男黏糊糊的地方開發了的話 只靠後面高潮的樣子讓我看看吧 2

(C88) [Turning Point (Uehiro)] Yui-chan to Issho 5 (To LOVE-Ru)

(C95) [Tanpopo Suisan+Ziggurat (INAGO)] Natsuyasumi no Jiyuu Kenkyuu Riko Choukyou 2-kaime ~Yagai de Zecchou Sasete Miyou!~

(C93) [littlehopper+Ziggurat (Hashibiro Kou)] Sae-chan no Hatsutaiken 2 ~Katte ni Monzetsu Suiminkan~ | Sae-chan's First Time 2 ~ As You Please Abusive Sleep Rape~ [Learn JP With H] [English]

(C94) [SHIOHAMA (kylin)] Onanie Chuudoku Arisu-chan (Girls und Panzer) [Chinese] [个人汉化]

(C60) [G-Factory Club (Sugiyama Genshou)] THE WORKS OF GENSHO SUGIYAMA 2001 SUMMER (Original)

[SexyTurkey] Nokori 1 wari wa Onnanoko ga Tometeiru (Girls forM Vol. 13) [English] [Zero Translations]

(C83) [Kuma-puro (Shouji Ayumu)] Chousen! Kana-chan [English] [nekoanon]

(Ware, Yasen ni Totsunyuu su! 2) [FESTA. (Yoshitani Motoka)] KanMesu San Kyousei Kekkon Shimakaze-chan (Kantai Collection -KanColle-)

[U.R.C (Momoya Show-Neko)] Nao-chan de Asobou 3 (Smile Precure!) [English] [desudesu]

(C80) [Nounai Ekijiru (Somejima)] Maid Shoujo Sakuya-chan (Touhou Project)

Uzaki-chan wa Kimeseku de Tobitai

(C88) [Kakitsubata no Yashiro (Kakitsubata Kanae)] Kanojo ga Boku no Kanojo nara. (Oshiete! Galko-chan)

[Matsumoto Drill Kenkyuujo] Akuochi [Chinese]

[Lithium] 100-nichigo ni Aiken to Sex suru Jimi Kyonyuu Megane-chan

(Reitaisai 15) [Angelic Feather (Land Sale)] Zeenbu Loli Bitch Flan-chan Soushuuhen 01 (Touhou Project)

(C83) [Shichimen Soka (Sexyturkey)] Silica-chan ni Oshiri Ijirareru Hon | Silica-chan Playing With Your Butt Book (Sword Art Online) [English]

(CR35) [Studio Wallaby (Deep Purple '72)] Anata ga Oniichan (Shuukan Watashi no Onii-chan)

(Reitaisai 10) [Imoutogensouzitiku (Tsukumizu Yuu)] 04.1 Enjifuku Flan-chan to H (Touhou Project) [English]

[Aiirosakura (Aikawa Ryou)] Kuubo Wo-Kyuu-chan no Amatsukaze Yuri Dorei Choukyou ~Shuuchi 3P Choukyou Hen~ (Kantai Collection -KanColle-) [Chinese] [無毒漢化組] [Digital]

[Ishino Kanon] Onee-chan ga Onii-chan | Onee-chan is Onii-chan (Futanari Secrosse!!) [English] [desudesu]

Chotto Dake! Hentai Rui-chan Daibousou | Just a Little! Pervert Rui-chan went out of control

Natsuyasumi no Jiyuu Kenkyuu Riko Choukyou 3-kaime

(Renai Jaws) [Candy-ya (Shirouri, Soul)] Rin-chan! Ganbare!! #2 (Free!) [English]

(C90) [SOY-darake (Abe Nattou)] Hina-chan Taka-chan Training (Girls und Panzer)

Koisuru Mecha Eli-chan to Josou Master | Lovestruck Mecha Eli-chan and Her Cross-dressing Master

[Choujabaru Zekkouchou (Holly.J)] Muteki Bishoujo Shiryuu-chan 1~3 Soushuuhen (Saint Seiya) [Digital]

[Nise] Sukina mono wa Shikatanai yo ne Onii-chan | I can't help loving this, Big Brother! [English] [Sn0wCrack]

[Sake no Sanran (Haiiroguma)] Daiyousei no Cirno-chan no Oshiri Kaihatsu | Daiyosei's Training of Cirno-chan's Ass (Touhou Project) [English] [Erelzen] [Digital]

[Onomeshin] Gohoushi Ningyou Hisui-chan (G'sister Vol. 8)

[2nd color (Typehatena)] Kawaisugiru Chino-chan to Icha Love Shitai node Chotto Bakashi Kyouseiteki ni? Shinaido 120% ni Natte Moraimashita (Gochuumon wa Usagi desu ka?)

(Puniket 7) [Urakata Honpo (Sink)] Urabambi S.E. 24 - Ai-chan de Asobou (Ojamajo Doremi)

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

[INFINITY-FORCE] Shuukan Oniichan ga Miteru

(C92) [Fukutsuu Okosu (Kaiou)] Oppai Kokoro-chan Bon (Touhou Project)

(C91) [Muchakai (Mucha)] Chizuru-chan Kaihatsu Nikki 4 | Development Diary Ch.8 – Chizuru-chan Development Diary 4 [English] {2d-market.com}

Ban Bee Na Totsugeki Sexy Hen

(C83) [Yudenakya Nama-Beer (Uzura no Tamago)] Onii-chans to Shiawase Rinne-chan (Chousoku Henkei Gyrozetter)

[Kouda Tomohiro] Yamete! Onee-chan - Stop an Elder Sister [English] [Lhytiss]

Tenshi-chan ga Iku-san ni Oshioki sareru Hon | A Book where Tenshi-chan Gets Punished by Iku-san

(Futaba Gakuensai 10) [Kibami-ya Honpo (Nininini)] Petit Dolls VOL. 9 Creampie-san Torotoro Amaai Nakadashi Girl (Futaba Channel)

(C81) [Nagaredamaya (BANG-YOU)] Hinata-chan Shiiku Nikki (Mirai Nikki)

(C89) [TOFU SOFT (Sakakibara Keisuke)] Ebina-chan to Umaru-chan to Onii-chan to Zenpen (Himouto! Umaru-chan)

(Reitaisai 9) [Matsumoto Drill Kenkyuujo (Kazumi Yoshiyuki/NAGANO~N)] Tarugata Miko Hall - Miko★Ero (Touhou Project)

(Reitaisai 9) [Akuten Soushin (Kokutou Nikke)] Miko-chan wo Ryoujoku Shugyou ~Dame... Kimochi Yosugite Watashi, Shikaisen ni Nacchau~ (Touhou Project)

(C85) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki-chan wo Kokoro Yuku made Lady Atsukai suru Hon (Kantai Collection -KanColle-) [Chinese] [无毒汉化组]

(COMIC1☆10) [Shiromitsuya (Shiromitsu Suzaku)] Rin-chan de Asobou! (Love Live!)

[BBB-Extra] Sakura-chan's Amazing Adventure Book 1.5 (CCS) [ENG]

(C93) [Apple Effect (MurasakiO)] Ero Shoujo Gingitsune-chan (Kemono Friends)

(Fata Grande Kikuusai) [Penpengusa Club (Katase Minami)] Ferry-chan ni Ecchi na Koto o Oshiechau Usui Hon (Granblue Fantasy)

Natsuyasumi no Jiyuu Kenkyuu Riko Choukyou 2-kaime

[U.R.C (Momoya Show-Neko)] Nao-chan de Asobou 3 (Smile Precure!)

CHIYOchan ha 〇〇kobi wo sitta 2 | Chiyo-chan's Sexual Pleasure 2

[Inuboshi] Onii-chan ga, Suki. [English] [Hayama_Kotono] [Decensored]

(C88) [Dear Durandal (Kihinata Hiroki)] Kotori-chan ga! (Love Live!)

(C91) [Raijinkai (Haruki Genia)] Tawawa no Kanshoku Vol. 2 (Getsuyoubi no Tawawa)

(C99) [remora field (remora)] Mona-chan no Deshi ni Natte Ichaicha Suru Hon | A Book About Becoming Mona-chan's Disciple And Getting Lewd With Her (Genshin Impact) [English] {Doujins.com}

[Nama Cream Biyori (Nanase Meruchi)] Shuumatsu no Tawawa 3 - Tawawa on Weekend 3 (Getsuyoubi no Tawawa) [Digital]

[Machino Henmaru] Ganso Yumiko-chan no Baai Ichi [Digital]

Kurosawa-ke Bangaihen Tabegoro Hanamaru-chan with Yoshiko-chan

[Yakitate Jamaica (Aomushi)] Chinpo Yakuza Miporin Boko Maso Arisu-chan Hen (Girls und Panzer) [Digital]

(C95) [μ-CuTe (MAG)] [Shoken Kangei] Ura Momo Channel - Onanie Haishin de Ii ne Atsumete Mita (Kiratto Pri Chan)

(C76) [Matsumoto Drill Kenkyuujo (Various)] 15513 Kaime no Nagato Yuki (Megane Nashi Ver) | The 15,513th Yuki Nagato (Suzumiya Haruhi no Yuuutsu) [English] [desudesu]

[Kuuronziyou (Okamura Bonsai, Suzuki Muneo)] Kuuronziyou 8 Sakura-chan de Asobou 4 (Cardcaptor Sakura)

(C46) [Tama Center (Tama Noboru)] Manami-chan to Asobou (Hime-chan no Ribbon)

(Reitaisai 15)[Ippongui (Ippongui)] Uwaki Shite Tewi-chan to Sex Shita (4-kaime) (Touhou Project) [English]

[Studio Tar (Kyouichirou)] Sara-chan de Mass-Diver!! | Mast-diving with Sarah-chan!! (Gundam Build Divers) [English] [Hige&HGnF] [Digital]

(C66) [M.MACABRE (Nyanko MIC)] Nekokan Watashi no Onii-chan vol.1 (Shuukan Watashi no Oniichan)

Boku no Onee-chan ni wa Teisou Gainen ga Nai | My Onee-chan Has No Concept of Chastity

Mukuchi-kun x Hentai-chan - Reticent boy and Sexually pervert girl.

(Reitaisai 14) [NERCO (Koikawa Minoru)] Hatate-chan Shiiku Nikki (Touhou Project)

[Echigoya Takeru] Onee-chan no Himitsu | Onee-chan's Secret (COMIC Unreal 2019-08 Vol. 80) [English] [desudesu] [Digital]

[Bu-chan] GaCen de Deatta Otokonoko Cosplayer (Otoko no Ko-llection!) [Chinese] [空想少年汉化]

(C84) [Kitchen*Channel (Kicchan)] Kasshoku no Koibito

[kuma-puro (Shouji Ayumu)] Yukari-chan no Hibi Okasareru Hanashi | Yukari-chan's Violated Life [English] [SharkEgg] [Digital]

(C95) [Nekottorando (Tanizakura Shidare)] Fujinoki Nene no Onii ni Ienai Koto (Hajimete no Gal)

(C94) [Mousou Engine (Korotsuke)] Martina Onee-chan no Seikatsu | Big Sis Martina's Sex Life (Dragon Quest XI) [English] =The Lost Light + mrwayne=

[Wasabi Mochi (Momosawa)] Keqing-chan ga Buka o Shigoki Makuru Hon | A Book In Which Keqing-chan Efficiently Works Her Subordinates (Genshin Impact) [English] [BanjoFuzz + head empty]

(C66) [BBB-Extra (Chuushin Kuranosuke)] Sakura-chan ga Taihen na Koto ni Nacchau Hon. (Sakura-chan's Amazing Adventure Book 1) (Cardcaptor Sakura) [English] [desudesu]

(C95) [Nekottorando (Tanizakura Shidare)] Fujinoki Nene no Onii ni Ienai Koto (Hajimete no Gal) [Chinese] [Flandre个人汉化]

[Muchakai (Mucha)] Chii-chan Kaihatsu Nikki 3 | Chii-chan's Development Diary 3 [English] {Doujin-moe.us}

[Imomaru. (Kenpi)] Namaiki JK Sumireko-chan ga Ayatsura Rape!! (Touhou Project) [Digital]

[Shioroku] Wakatsuki, Mask wo Totteyo! | Wakatsuki, Take Off Your Mask! (COMIC Mugen Tensei 2018-10) [English] [Digital] [Rotoscopic + Red Lantern]

Clarisse-chan Ikku yoo | Clarisse-chan, I'm Cumming!

[Shimajiya (Shimaji)] JS Ayune-chan o Omocha de Ikasemakuttara... [Digital]

[Aiirosakura (Aikawa Ryou)] Kuubo Wo-Kyuu-chan no Shimakaze Yuri Dorei Choukyou ~Amatsukaze-chan to Issho Hen~ (Kantai Collection -KanColle-) [Digital]

(C93) [Popochichi (Yahiro Pochi)] Kaikinbi no Tawawa II ~Maegami-chan to Shio no Kaori~ (Getsuyoubi no Tawawa) [Chinese] [无毒汉化组]

[RaTe] Back to Nee-chan (Comic Tenma 2008-05) [English] [sirC] [Decensored]

[Hanya Yashiki (Hanya)] Yobae Inko-chan S5 | Nightcrawler Inko-chan S5 [English] {Mistvern + Bigk40k} [Digital]

[Hiroshiki] What Happened When a Virgin Went To a Sex Bar With His Little Sister kek (Hatsujou Carnival) [English] [EHCOVE] [Digital]

Roshutsukyou-chan

(C88) [Nagiyamasugi (Nagiyama)] Kanmusu Ryoujoku 9 Ro-chan Oshiokibeya Iki (Kantai Collection -KanColle-)

Mizugi no Tewi-chan to Uwaki Shite Sex Shita

(C91) [KiraStar (M.vv)] Clarisse-chan Ikku yoo | Clarisse-chan, I'm Cumming! (Granblue Fantasy) [English] {Doujins.com}

[HONEY QP (Inochi Wazuka)] Oniichan To Watashi. (Sister Princess)

(C91) [KOTORIBIDOU (koto)] Kurosawa-ke Bangaihen Tabegoro Hanamaru-chan with Yoshiko-chan (Love Live! Sunshine!!)

[Machino Henmaru] Ganso Yumiko-chan no Baai Ni [Digital]

ANGEL Club 2015-10 [Digital]

(Puniket 27) [Chi-Ra-Rhyzhm (Hidaka Toworu)] Rinne-chan no Maintenance Note (Chousoku Henkei Gyrozetter)

[HONEY QP (Inochi Wazuka)] Otonari no Onii-chan ga Bokura no M Dorei ni Natte Kuremashita. [Digital]

[HONEY QP (Inochi Wazuka)] M Dorei no Onii-chan Oboku Senyou Nishi chaimashita. [English] {Mokkachi} [Digital]

(Rainbow Flavor 18) [Akaringo-chan (Mikorin)] Kanojo ga Wagamama Sugiru no de Ima kara Oshioki Shimasu (Kirakira PreCure a la Mode)

[Sabaku] Imouto no Tomodachi no Sekirei-chan | My Sister's Friend, Sekirei-chan (COMIC LO 2020-03) [English] [Nishimaru] [Digital]

[Koyama Shigeru] Onee-chan to Asobo! | Playing with Onee-chan!!! (COMIC X-EROS #94) [English] [Digital]

(SC62) [CIRCLE ENERGY (Imaki Hitotose)] Kan Bote 「Sen-Bo Shioi-chan」 wo Rouraku seyo! (Kantai Collection -KanColle-)

[Lithium] 100-nichigo ni Aiken to Sex suru Jimi Kyonyuu Megane-chan

[ONEONE1 (Ahemaru)] if 2 ~Moshi Ayane-chan ga Ninjutsu no Keishousha Toshite Shippai Shiteitara~Tsuzuki~ (Dead or Alive) [Digital]

(COMIC1☆13) [Ichinose (Ichinose Land)] Minna no Danchou Djeeta-chan with Lyria (Granblue Fantasy)

(C72) [Goromenz (Yasui Riosuke)] Tengoku no Onii-chan he (Code Geass) [English]

[Aiirosakura (Aikawa Ryou)] Kuubo Wo-Kyuu-chan no Shimakaze Yuri Dorei Choukyou ~Amatsukaze-chan to Issho Hen~ (Kantai Collection -KanColle-) [English] {Hennojin} [Digital]

[MTNO] Shino-chan no Iu Toori (Chincopation) [English] [Nosebl33d] [Digital]

[Anthology] Himitsu no Hanazono (Various)

[Kitsuneya (Leafy)] Beni-enma-chan no Shakkin Jigoku | Beni-enma-chan's Debt Hell (Fate/Grand Order) [English] [denialinred] [Digital]

[Ziploc (Yamachan)] Kimitrade - Kimi to Trade [Digital]

(C83) [CHIRIAKUTA (Yaburebouki Akuta)] Santa Marisa-chan Kakuho! (Touhou Project)

[NCP] Yuuta-kun no Onee-chan Saikyouiku Keikaku

Chizuru-chan Kaihatsu Nikki 2 | Development Diary Ch.6 – Chizuru-chan Development Diary 2 {2d-market.com}

Otonari no Onii-chan ga Bokura no M Dorei ni Natte Kuremashita.

(COMITIA112) [Punisher Punishment (Panimi)] Twin-te-Boin-ko-chan ga Futanari-kko ni MechaMecha ni Sareru Hon

[Raijinkai (Haruki Genia)] Jintoku No Kenkyuu 02

(C96) [sarfatation (Sarfata)] Kyouei-Mizugi na Shigure-chan to Hamakaze-san to. (Kantai Collection -KanColle-) [Chinese] [靴下汉化组]

[Chanpon Miyabi] Haha to Ane to Bokuto - Mother, the elder sister, and me -

[Arukaseya (Arkas)] Niimi-chan wa H da naa | Niimi-chan is So H (Azur Lane) [English] [Mysfruarna] [Digital]

Oiwai Sex 3 ~Onii-chan no Tanjoubi~

[Motsu Aki] Boku no Onee-chan ni wa Teisou Gainen ga Nai (COMIC saseco Vol. 2) [Chinese] [殭屍個人漢化] [Digital]

[Lithium] 100-nichigo ni Aiken to Sex suru Jimi Kyonyuu Megane-chan [Ongoing]

(C97) [Machednia (Sachuma)] Inazuma-chan to Ishigaki-chan to Lebe-kyun 2 (Kantai Collection -KanColle-)

(C85) [Minori Kenkyuujo (Minori Kenshirou)] Geroko-chan to Chikubiko-chan

(C95) [Nekottorando (Tanizakura Shidare)] Fujinoki Nene no Onii ni Ienai Koto (Hajimete no Gal)

(C86) [Kitchen*Channel (kicchan)] Kitchen Drive

(C77) [GOD Ryokutya (Bu-chan)] Micchan Change!! (Mitsudomoe) [English] [ATF]

Watashi no Kawaii Onii-chan | My Lovely Commander

(Bokura no Love Live! 13) [Sakurakusa (Akarin)] Rin-chan ga Gakkou de Nyan Nyan Suru Hon (Love Live!)

(C87) [Seki Sabato (Tsukuru)] Nekama CirCra ♂chan 2

(C90) [Minori Kenkyuujo (Minori Kenshirou)] Minori Kenkyuujo Soushuuhen 2012~2015 | Minori Kenkyuujo Collection 2012~2015 [English] =LWB=

(C67) [Mechanical Code (Takahashi Kobato)] Hitori Asobi (Oh my goddess!)

(C85) [Matsumoto Drill Kenkyuujo (Naganoon)] ChitoChiyo Shimai no Unyou ni Tsuite (Kantai Collection -KanColle-)