(Comic Castle 2005) [Otogiya X-9 (Mizuki Haruto)] Oshiete... Luna Sensei!! =DESTINY= (GUNDAM SEED DESTINY)
[Neko Bus Unsou (Neko Bus)] Oshiete Sense (Love Live! Sunshine!!) [Digital]
Kaian★Trade~Onnna no ii tokoro, oshiete ageru~volume 4
[Watanabe Wataru] Dokkin Minako Sensei 1986 Complete Edition - Oshiete Minako Sensei
(COMIC1☆9) [Gate of XIII (Kloah)] Kyonyuu Gal wa Kawaii Otokonoko ni Yowaitte Hontou desu ka? (Oshiete! Galko-chan) [chinese] [為了拯救自己的蛋蛋漢化]
(C92) [Tanu Choco (Akasa Tanu)] Oshiete Agemasu. (THE IDOLM@STER CINDERELLA GIRLS)
(COMIC1☆8) [Kurumi Namiki (Mita Kurumi)] Oshiete! Nikuyoku Hassan 2199 (Space Battleship Yamato 2199)
JK o Oshiete - Please tell me "JK"
(C76) [Santouhei Division (Satou Santouhei)] Oshiete Beatrice (Umineko no Naku Koro ni)
Ane no Kareshi ga Kuzu Otokotte Hontou desu ka? | Is My Older Sister's Boyfriend Really a Scumbag?
[Tiger] Yuuwaku・Imouto #2 Onii-chan wa seishori gakari | Little Sister Temptation #2 Onii-chan is in Charge of My Libido Management (COMIC Reboot Vol. 07) [English] [Digital]
(C89) [CELICA (Serika)] Kiss Game o Oshiete (Uta no Prince-sama)
[Hayake] Onii-chan no Okuri Mukae | Onii-chan's Pick-Up and Drop-Off (Imouto no Hadaka o Mite Koufun Suru nante Hen na Onii-chan) [English] {Mistvern} [Digital]
Motto Oshiete Kure yo! | 请教我更多吧
(COMICNEXT) [BlueMage (Aoi Manabu)] Watashi ga Moteru Riyuu Oshiete Agemasu (Aldnoah.Zero)
Oshiete Honey
[Suzuki Akoni] Majimena Aitsu ni Ani Ken no Ore ga Oshiete Yareru Koto Sono 1 (COMIC BAVEL 2016-05) [Chinese] [無邪気漢化組]
[STRAY TIGER (Kokyo Kei)] Shoujo Idol Kindan Ura Douga -Ecchi na Koto Oshiete Onii-chan!- [Digital]
(SC54) [Daiginjou Masshigura (Doburocky)] Oshiete Futo-chan (Touhou Project)
お子さんの性欲って普通に強いって本当ですか? (おしえて! ギャル子ちゃん)
[Wakamatsu] Toshishita no Boku ni Otona na Koto o Oshiete kureru Osananajimi ni Onee-san - My Childhood Friend Onee-san Taught Me All Sort Of Grown Up Things [English] [Danke fürs Lesen]
(COMIC1☆8) [moriQ (Mori Airi)] Konya dake, Onii-sama | Just for Tonight, Onii-sama (Mahouka Koukou no Rettousei) [English] [Cool Japan Scans]
Hitozuma Sex o Oshiete Ageru ~Tomodachi no Okaa-san ni Yuuwaku Sareta Boku~
(CSP6) [Raijinkai (Haruki Genia)] Yarasete Galko-chan (Oshiete! Galko-chan)
(C93) [Nyankoromochimochi (Kotoba Ai)] Aya Onee-san ga Oshiete Ageru (Touhou Project) [English] [Manab&]
(C87) [Toumei Kousoku (Chika)] Oshiete! Suzuya-chan ~Gyaru na Onnanoko wa, Doutei Kimoota Teitoku ni mo Yasashiku shite kureru tte Hontou desu ka?~ (Kantai Collection -KanColle-)
[Tsubaki Jushirou] Onii-chan no Kuse ni Namaiki nanda mon! | Onii-chan is such a bully! (My Mai Secret) [English] [Mondee + Brook09]
(Comic Characters! 02) [KONOHA (Kazuha)] Oshiete Heart no Katachi (THE iDOLM@STER)
Lolicon Doutei Ero Mangaka-kun, Kinjo no Jojifuku Kita Yabai Mesu Onii-san ni Semarareru
[Katou an] Omocha yori iino? honto no H oshiete kudasai
(C87) [Number2 (Takuji)] Galko bon arimasu. (Oshiete! Galko-chan)
(C65) [MSIZE (Riumu)] Iu koto kiite yo!! Onii-chan | Follow My Orders, Onii-chan! [English] =Little White Butterflies=
[GAMU-SYARA (Gingami)] Oshiete Oshishou-sama (Fate/Grand Order)
(C87) [Kakitsubata no Yashiro (Kakitsubata Kanae)] Kanojo ga Ore no Kanojo nara. (Oshiete! Galko-chan) [Chinese] [為了拯救燙傷的蛋蛋漢化]
Oshiete Nii-san!
[Eichina] Ii yo, Onii-chan Daisukidamon [English]
[Studio Wallaby (Deep Purple'72)] Anata ga Oniichan [Lolicon]
Oshiete! Byleth Sensei
(C90) [Touyoko Surfrider (Fumii)] Oshiete! Sachiko-chan (THE IDOLM@STER CINDERELLA GIRLS)
[Pal Maison] Onii-chan to Penis Zoudai Pump o Tsukaou l Let's use a Penis Enlargement Pump with Onii-chan [English][Futackerman]
[Guchokuya (Spec-R)] Densetsu You-shin Wataoni - Sesshoku-hen- (Shuukan Watashi no Onii-chan)
(C92) [UU-ZONE (nuezou)] Galko Ah!? (Oshiete! Galko-chan) [English] [B.R.R.]
Oshiete Kudelia! | Teact Me Kudelia!
(C83) [Tiramisu Tart (Kazuhiro)] Datte Onii-chan no Koto ga Daisuki nanda mon | After All, I'm in Love With Onii-chan (Sword Art Online) [English] {doujin-moe.us}
(C94) [TIES (Takei Ooki)] Watashi no, Onii-chan Extra (Watashi no, Onii-chan Soushuuhen) [English] {Faux}
[Oni Kizoku] Oshiete Ikema-sensei and Kyoutou-sensei/Teach me Miss.Ikema and Miss.Kyoutou [English]
(SC2016 Winter) [Milk pudding (Milk Jam)] Oshiete Itami! | Teach me Itami! (Gate: Jieitai Kano Chi nite, Kaku Tatakaeri) [English] [EHCOVE]
Shuukan Watashi no Onii-chan no Hon
[Nagashima Chousuke] Kigenzen 10000 Nen no Ota | The Otaku in 10,000 B.C. Ch. 1-20 [English] [Natty Translations, Lazarus H]
[INFINITY-FORCE (Mercy Rabbit)] Nounai Shucchou! Nerima Onii-chans!! | Cranial Business Trip! Nerima's Onii-chan!! (Digitama 04 FRONTIER) (Digimon Tamers) [English]
[Asamori Mizuki] Oshiete Maria 4 [Chinese]
[Juna Juna Juice] Moshi Galko ga Boku no Kanojo nara Series (Oshiete! Galko-chan)
(C87) [King Revolver (Kikuta Kouji)] 2014 Fuyukomi copy hon ○ (Various)
[Umematsu Thomas] Oshiete! Obasan
[Syosonn]Ojoosama, gokujo no sekkusu o oshiete kuremasu ka? | 大小姐、能請妳教我何謂絕頂的SEX嗎?
[Shiawase Manjuu (Shiawase 1500)] Oniichan ni Oshiete ageyo!!
Zutto! Ikuiku Onii-san!
(C90) [MURDERHOUSE (Workaholic)] Oshiete! Syaoran-kun (Cardcaptor Sakura)
Oshiete Ageru
(CR35) [Studio Wallaby (Deep Purple '72)] Anata ga Oniichan (Shuukan Watashi no Onii-chan)
(C83) [DROP DEAD!! (Minase Syu)] Oshiete! Suguha-chan!! (Sword Art Online)
[Okuma Masami] Oshiete Onee-sama
(SPARK12) [Yami no Naka] Onii-san, Chotto Asondekanai? | Onii-san, won't you come play for a little bit? (Fate/Grand Order) [English] [guduxingkong]
(C89) [Hi-Per Pinch (clover)] NMB -nudist mud bath- (Oshiete! Galko-chan) [English] {5 a.m.}
(C89) [Eight Beat (Itou Eight)] Oshierarenai!? Galko-chan (Oshiete! Galko-chan)
Oshiete! Kashima Sensei
[Hiro Kazuki] Oshiete, Sensei | Teach Me, Sensei Ch. 01-06 [English]
(C92) [GAMU-SYARA (Gingami)] Oshiete Oshishou-sama 2 (Fate/Grand Order)
Datte Dare mo Oshiete Kurenai
(Reitaisai 9) [Ruiketsuan (Namidame)] Koumon de Oshiete Patchouli | Teach Me With Your Anus, Patchouli (Touhou Project) [English] [Anonygoo + Afro]
(SC41) [G-SCAN CORP. (Satou Chagashi)] Oshiete Mizuho-sensei Ver.0.1 (Onegai Teacher)
[Naito Loveca] Ame ga Yamu Made - until the tears stop [English] {NecroManCr}
(C87) [Mix Fry (Takurou)] Fumina to Mirai no Oshiete Ageru (Gundam Build Fighters Try)
(CCOsaka109) [La.C. (Narumi Meiko)] Oshiete Study (Akatsuki no Yona)
(C93) [Tanu Choco (Akasa Tanu)] Oshiete Agemasu. ~Otona no Omocha Hen~ (THE IDOLM@STER CINDERELLA GIRLS)
Oshiete! Hottate Goya Onee-chan
(C84) [Jam Kingdom (Jam Ouji)] Jinsei de Taisetsu na Koto wa Subete Rikka ga Oshiete kureta (Dokidoki! Precure)
(C89) [AXZ (Warabino Matsuri)] Angel's Stroke 87b Galko-chan 0.02!! (Oshiete! Galko-chan)
(C84) [Jam Kingdom (Jam Ouji)] Jinsei de Taisetsu na Koto wa Subete Rikka ga Oshiete kureta (Dokidoki! Precure) [English] [desudesu]
Mama Oshiete Ageru
Hinata Sensei ga Oshiete ageru!
Tsuyatsuya ~ Zoku Oshiete! Utaha Sensei!!
[DIOGENES CLUB (Haikawa Hemlen)] Omakase Fudeoroshi Galko-chan 2 (Oshiete! Galko-chan) [English] {doujins.com} [Digital]
(COMIC1☆9) [Diogenes Club (Haikawa Hemlen)] ○○○ shite! Galko-chan (Oshiete! Galko-chan)
[Natsuka Q-Ya] Juumin Zenin Ninshin Kibou!? Joshiryou Kanrinin [Chinese]
[Raijinkai (Haruki Genia)] Yarasete Galko-chan | Please Fuck Me Galko-chan (Oshiete! Galko-chan)
Jibun ni Teitoku-dono o Oshiete Hoshii de Arimasu Maru
(C93) [Tenkirin (Kanroame)] Oshiete Master (Fate/Grand Order)
(C66) [Misty Isle (Sorimura Youji)] BumbleBees (Shuukan Watashi no Onii-chan) [English] [GogetaSS4] [Incomplete]
Senpai no Ie de Shiken Benkyou Oshiete moratta node Yuugata ni Kaeru Yotei datta Joshidaisei no Ichinichi
Namaiki na Onna Souryo ni Medapani o Kurawasero! + Shadow Galko-chan
[Anthology] Oshiete! Oneesan
[Nikuniku Italian (Akikusa Peperon)] Taiketsu! Galko-chan VS Shota Chinpo (Oshiete! Galko-chan) [Digital]
Oshiete! Onii-chan
(C94) [PYPYworks (Syamonabe)] Oshiete Lillie (Pokémon Sun and Moon) [English] [PerceptivePercival]
(C88) [PLANT (Tsurui)] Oshiete MY HONEY 2 Zenpen (THE IDOLM@STER)
[Oomori Harusame] Hisoka ni Oshiete! | Secret Lessons! (COMIC HOTMiLK 2010-04) [English]
[Kokekokko Koma] Furimuite Onii-chan | Turnabout Oniichan [English]
[Studio PAL (Nanno Koto)] Imouto wa Boku no Koibito ~ Onii-chan to Natsumatsuri hen ~ | My sister is my girlfriend - At the summer festival with Onii-chan [English] [volsungling]
[TETRODOTOXIN (Nise Kurosaki)] Joshi Suieibu Shinyuu Buin Mechashiko Kangeikai (Oshiete Galko-chan!)
Oshiete nīsan!
(C97) [Osenbei no Mori (Danimaru)] Suki wo Oshiete Master-kun - Tell Me the Love, Master (Fate Grand Order) [Chinese] [日祈漢化]
Teach me, Rem-sensei! An introduction to sex with Emilia-tan | Oshiete Rem Sensei
[Ozy] Lamia Onee-chan ga Oshiete Ageru (Monster Musume to no Chigiri) [Chinese] [開坑當做例行重嵌組] [Digital]
Oshiete! Syaoran-kun
Oshiete Kiss Me?
[Chayagai] Benkyou Oshiete Kudasai
Anoko Ga Oshiete Kureta Koto
Omase na Imouto ni Nakadashi Oshiete yaru!?
Oshiete Atago-san
(C89) [AXZ (Warabino Matsuri)] Angel's Stroke 87b Galko-chan 0.02!! (Oshiete! Galko-chan) [English] [Redlantern]
(C89) [Idenshi no Fune (Nanjou Asuka)] Himitsu no Basho de Onii-san to. | In my secret spot with onii-san [English]
[Souda Gumi] Nanimo Shitenai no ni Bitch Oyako ni Gyaku Rape Saremakutta! [Chinese]
Kimochii o Oshiete.
[Inuboshi] Aino Mahou Wo Oshiete Ch.1-3 [ENG]
(CR35) [Nirvana Soft (Hironii)] Feels like Heaven (Gad Guard, White Album)
(C73) [Neko tank (Maitou)] Oshiete agenai (The Melancholy of Haruhi Suzumiya)
(C89) [UU-ZONE (nuezou)] Galko Ah!! (Oshiete! Galko-chan)
(C66) [Dog&God (Tamabe Inusuke)] Sister's case study. (Shuukan Watashi no Oniichan)
(C82) [MURDERHOUSE (Workaholic)] Oshiete Rito-Kun! (To LOVE-Ru) [English] {Doujins.com}
(C90) [K+W (sasachinn)] RO-chan ga U-ni oshiete ageru desutte! (Kantai Collection -KanColle-)
[Branshea] Watashi no Himitsu Oshiete A-ge-ru ❤ [Digital]
Mikan ga Oshiete Ageru MILKEY ORANGE 2
Ultra Super Anal Time
(Reitaisai 15) [Kedama Gyuunyuu (Tamano Kedama)] Patchouli Sensei ga Oshiete Kureru (Touhou Project) [Chinese] [靴下汉化组]
[Suzuki Akoni] Majimena Aitsu ni Ani Ken no Ore ga Oshiete Yareru Koto 2 (COMIC BAVEL 2016-11) [English] [Noraneko] [Digital]