(Reitaisai 14) [Muremure Kaisendon (Ginzake)] Hatsujou Muremure Bakunyuu Momiji-oneechan to Oshioki Koubi (Touhou Project)
[Namezou] Ukkari Haicchatta!? Itoko to Micchaku Game Chuu (13)
Oneechan Paradise
[Shunjou Shuusuke] Hitokoishi, Tsuma | 人戀之妻 [Chinese]
[Akuten Soushin (Kokutou Nikke)] Momiji Oneechan wa Hatsujouki!! (Touhou Project) [Digital]
[Nozomi Yuu] Itoko Doushi
Kamatte! Futanari Oneechan
Itoko-chan, Irasshai
[Ribons Nights (Kyouno Aki)] ITOKONOAKIRA 2
sanae oneechan de obenkyou shiyo!
[Itosugi Masahiro] Oneechan no Onegai - A Wish of my Sister [English] [Icarus] [Decensored]
Toshishita Tono Koubi ni Tamaranaku Amai Koe wo Ageru Chichiwa Binbin Oneechan
Mugi-chan no Mou Hitokoe.
FUTANARI ITOKO EXTRA
[Chiguchi Miri] Itoko Now (COMIC LO 2016-09) [Chinese] [4K漢化組]
Itoko to Honki Seikou
Itokoto
Itoko no Ookina Onee-chan
Itoko ga Amarinimo Eroi node. | Because My Cousin's Too Damn Hot.
(C77) [Gachinko Shobou (Kobanya Koban)] Yappari Rider wa Eroi na 8 "Rider, Oneechan ni naru" (Fate/stay night)
[Semimogura (Yoshiie)] Kusogaki, Itoko o Kegasu [Digital]
Itoko to Kozukuri Saserarete... Mana-san to Omoya o Hanarete... 2
[Asahina Hikage] oneechan chuuihou hatsureichuu (COMIC Megastore Alpha 2014-08) [Chinese] [無邪気漢化組]
[Aa Doushiyou (Pi-ko)] Itoko no Ano Ko
Ukkari Haicchatta!? Itoko to Micchaku Game Chuu
(C95) [Ichibocchi (Ichinomiya Yuu)] Kyonyuu Itoko ga Iru Kyuuka [Chinese] [希望的前方个人汉化]
[Oda Natsuki] Oneechan ni Ecchi na Koto Shicha Ikemasen! 4 (Fire Emblem if)
[Ishigami Kazui] Sukisuki Oneechan
Fetishist Ch. 1
(C67) [Maruarai (Arai Kazuki)] Benkyou no Jikan | Study Time (School Rumble) [English]
[Akiyama Production (Cloud Shouta)] Slave Rumble 4 (School Rumble)
(C80) [Deastim (Unadon)] Yukari Oneechan to Peropero shichau? (Touhou Project)
Kyonyuu Itoko ga Iru Kyuuka 3
(C80) [Alpha to Yukaina Nakamatachi (Alpha)] Itoko no Futago ni Otosareta!?
(Reitaisai 12) [Torano Ori (Toritora)] Sennen Shoujo Hitokoishi. (Touhou Project)
Boku to Itoko no Onee-san to
[Arsenal] Junjou Itoko wa Kyoumi Shinshin (COMIC Penguin Club 2021-06) [Chinese] [Digital]
[Issi-13] Itoko no 8-nengo (COMIC Penguin Club 2021-07) [Chinese] [e04a8678翻譯] [Digital]
[Tanaka-Ex] Naoshi-kun to Oneechan | Naoshi-kun and his Elder Sister (Kuchu Kuchu) [English] [Humpty] [Decensored]
[Asahina Hikage] Oneechan Chuuihou Hatsureichuu! (COMIC Megastore Alpha 2014-08) [English]
Oyasaka Byouin 2 Iyasi No Morie-san | 御八坂醫院 療癒的森江小姐
[Kanimaru] Itoko o Yowasete Yarimakuri!
Tonari no Onee-chan wa Ecchi shitai ~Akogare no Gishi to Itoko no Namahae Jijou~
Ukkari Haitchatta!? Itoko to Mitchaku Game Chu
[Namezou] Ukkari Haicchatta!? Itoko to Micchaku Game Chuu (26)
[Sakai Ringo] Atarashii Oneechan | A New Older Sister (HAJIRAI OTOKONOKO) [English] [Zero Translations] [Digital]
[Fujinomiya Yuu] Kyou mo Oneechan Biyori!
[Lover's (Inanaki Shiki)] Itoko Sensei to Love Love Natsuyasumi | A Lovey Dovey Summer Break with Itoko-sensei (School Rumble) [English]
Oneechan ni Ecchi na Koto Shicha Ikemasen!!
Mama ga Itoko ni Hamehame Sareru Hanashi
(Reitaisai 9) [Kitsune to Budou (Kurona)] Oneechan to Love Love Chucchu!! (Touhou Project)
Natsuyasumi mo Itoko no Onee-chan ni Asondemoraimashita.
[Osamuya (Mura Osamu)] Asoko ga Ookikute Nayandeiru Shota to Itoko no Onee-san
Natsuyasumi dakara Muteikou na Itoko ni Chinko Ireru Hanashi
[Shirota Kurota] Itokonchi (Scape Goat) [English]
A New Older Sister | Atarashii Oneechan
[Inoue Kiyoshirou] Itokoto! | Cousincident! (COMIC HOTMiLK 2009-06) [English] {rabbitrevelry}
Pichipatsu Taisougi no Tama Oneechan to Icha Love Suru Hon
(SC2015 Summer) [HBO (Henkuma)] Oneechan to Issho (Love Live!)
Mizugi to Oneechan! | Swimsuit and Onee-chan!
[Lover's (Inanaki Shiki)] Itoko Sensei to Love Love Natsuyasumi (School Rumble)
Itoko ni Oba o Otosarete...
[Kishizuka Kenji] Boku to Itoko no Onee-san to Ch. 1-5
[Namezou] Ukkari Haitchatta!? Itoko to Mitchaku Game Chu (31)
Idol Kyousei Sousa 2
[Aotokage (Aoto Kage)] Itoko wa Machikirenai
[Tsumagomi Izumo] ONEECHAN WA NIKU BENKI
Boku to Itoko no Onee-san to | Together with my older cousin Ch. 1
Ero Yakyuuken de Maketandakara Aya-oneechan ga Suki ni Shichau wa yo
[Namezou] Ukkari Haicchatta!? Itoko to Micchaku Game Chuu (14)
Boku to Haha to Itoko After
[Sakuraba Jouichirou] Oba no Kyonyuu, Itoko no Bakunyuu
[Tsurikichi-Doumei] SEED Fan no Oneechan ga Mitara Okoru Kara Minaide Choudai Hon 2 (Kidou Senshi Gundam SEED / Mobile Suit Gundam SEED)
[Akai Yoru] "Onna no Asoko de mou... Ikuu" Ore no Karada de Daibousou!? Itoko no Dekkai "Are" ni Nando mo Zecchou 2 [English] [ChoriScans] [Digital]
[Nikusyo] Oneechan no Shiru
Slave Rumble 5
Hitokoishi, Tsuma Ch. 1-6
[Yousai Kyoushitsu (Hiyama Izumi)] Itoko ga Namaiki dakara Yacchatte mo Ii yo ne w