[Ryoumoto Hatsumi] Otchan to Asobo | Playing with Uncle (COMIC LO 2010-12) [English]
Imouto no Kawaii Takurami - Younger Sister's Lovely Plot Ch. 5-7
[Aru Ra Une] Oji-sama to ... Love Love | Getting Lovey-Dovey With Uncle (COMIC 0EX Vol. 29 2010-05) [English] [yuripe]
Kouhai Kanojo ni ASMR Kiiteru no ga Baremashita | My Younger Girlfriend Caught Me Listening To ASMR
Frustrated Elder Sister and Dumb Witted Younger Brother
[Zaki Zaraki] Boku wa Musekinin Oji-san | My Irresponsible Uncle (COMIC Masyo 2017-04) [English] [Jashinslayer] [Digital]
[Kojima Miu] BOSS -Toshishita no Joushi ni Tsuma o Netorarete...- | Boss -My wife got NTR'd by my Younger-than-me Boss- (Mesu Okaa-san) [English] [obsoletezero] [Digital]
[Son Yohsyu] Magai ni Ochiru Seijo (2D Comic Magazine Masou Injoku Yoroi ni Moteasobareru Heroine-tachi Vol. 2) [Chinese] [Uncle A个人汉化] [Digital]
[Femidrop (Tokorotenf)] Imouto Tomomi-chan no Fechi Choukyou Ch. 3 | Younger Sister, Tomomi-Chan's Fetish Training Part 3 [English]
[REDchicken] Haha to Watashi (ge) | Mother and I (Second Part) [English] [Uncle Bane]
[Tachibana Omina] Osananajimi to Imouto - A childhood friend and younger sister (COMIC Mugen Tensei 2018-07) [English] [Team Koinaka] [Digital]
Imouto Tomomi-chan no Feti Choukyou Ch. 6 | Younger Sister, Tomomi-Chan's Fetish Training Part 6
Mami to Oji-san | Mami and Uncle
(C91) [Seki Sabato (Tsukuru)] Kotatsu no Nakami [English] {Shotachan}
Mukuchina mei-kko Murase Rihoko
[Horitomo] Imouto wa Sukyurakko - Shiawase no Shamuran | My Younger Sister is a Scylla - Shamuran's Happiness (Unreal Syndrome) [English] =TV= [Digital]
Maybe
Mei-kko to Mainichi Sex
Sexual Younger Sister
Oi JK ♂
Toshishita no Otokonoko | Younger Boy
The Story Of An Uncle Who Was Taken To A World Where Childbirth Is Compulsory Education Because The Declining Birthrate And Aging Populations Became Too Serious 2
awa awa
DLsite Girl's Maniax Anthology vol.4
Locker-nai yori Ai o Komete | With Love from Inside the Locker
M-My Younger Sister Is... 3.5
[Miyano Kintarou] Mizugi Musume Muchimuchi Netsu Ketsu Kojin Shidou (Tanoshii B-Chiku) [English] [Uncle Bane] [Digital]
(Super The World 2018) [Chikadoh (Halco)] TRSK LOG (JoJo's Bizarre Adventure)
Younger Sister (eng)
DLsite Girl's Maniax Anthology vol.4
The Impulsive Inseminator Uncle Lost in Old Hell (Touhou Project) [English]
Younger Sister
[K2 COMPANY (Kodaka Kazuma)] Toshishita no Otokonoko | Younger Boy (Prince of Tennis) [English] [Datenshi Blue]
(SC2015 Winter) [Inariya (Inari)] Haishin! Shimakaze-kun no Heya (Kantai Collection -KanColle-) [Chinese] [空想少年汉化]
Meikyuu
[Shikkoku no Hekireki (EGAMI)] Onee ga Mama ni Narundayo! [English] [mysterymeat3] [Digital]
[Oomori Harusame] Kanako and Uncle [English]
[Yuruchin Kyouso] Mami to Oji-san | Mami and Uncle (COMIC LO 2022-06) [English] {Mistvern + Bigk40k} [Digital]
[Chinzuriina] Natsu no Itazura [English]
Rendezvous!
Pajama Joshi-kai, Sōnyū-chū!? ~ Mei ni yokujō nanka shinai tte itteta kuse ni… ~ !
Saizensen no Degurechaff Ojisan | Uncle Degurechaff of the Front Line
Never, Ever with a younger guy!
Shinrou Panic!
[Jyun] NEET Ane wa Otouto o Dokusen Shitai Youdesu. | NEET Older Sister Wants to Monopolize Her Younger Brother! (COMIC Shingeki 2015-07) [English] [N04h]
Boss -My wife got NTR'd by my Younger-than-me Boss -
Ore no, Oji-san.
Uwakizuma
(C82) [Crazy9 (Ichitaka)] Yakimochi Oji | Jealous Uncle (TIGER & BUNNY) [English] {Silver Lining}
Maybe
[REDchicken] Haha to Watashi (ge) | Mother and I (Second Part) [English] [Uncle Bane][Colorized by Rissfield]
Younger Girls Celebration - Chapter 9 - Little Sister's Heart, Big Sister's Heart
[Ayano Rena] Imouto Pandemic! | Younger Sister Pandemic! [English] [Mistvern]
Otouto Jikake no Honey Trap - Lovely Younger Brother Honey Trap
[Aichi Shiho] Okaa-san ni wa Naisho (Otokonoko HEAVEN Vol. 25 DMM Tokubetsu Ban) [English] {Shotachan} [Digital]
[Koubai Nadeshiko (Akausu Ko)] Imouto-sei Time Leap Izonshou 2 | Younger Stepsister Time Leap Dependence 2 [English] {Doujins.com} [Digital]
"I'm Not Your Younger Brother" by Fuyunaga (Huyunaga) [English Translated by Tonigobe]
Papa to Musume no Shitsuke Kata | Papa and Her Daughters' Way of Discipline
[Yu-zyenixi] The Story Of An Uncle Who Was Taken To A World Where Childbirth Is Compulsory Education Because The Declining Birthrate And Aging Populations Became Too Serious 2 [English] [MTL]
Yakimochi Oji | Jealous Uncle