Otto no Nyuuinchuu, Nii-san ga Omise no Tetsudai ni Kuru Koto ni Narimashita
[Ochikochitei (Tadano Kushami)] Yuujin no Mama ga Onanie no Otetsudai? [Digital]
(C88) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 5 + Paper
Mojidoori! Nandemo Shite Kureru Otetsudai-san.
[HYMNOS (Hiro Haruyoshi)] Yuusha Ikkou no Ansatsusha-kun ni Jujutsu de Otetsudai | 用咒术帮助勇者小队的暗杀者 [Chinese] [冒险者公会] [Digital]
Yuujin no Mama ga Onanie no Otetsudai?
(C89) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 6 | Little Sister Helper 6 [English] {Hennojin}
(C87) [Kurumi Namiki (Mita Kurumi)] Seishori 1-nichi Otetsudai no Hazu datta noni (Space Battleship Yamato 2199)
[Aoi Hitori] Otetsudai. ~No Bra Onna Kyoushi to Toshoshitsu de~ (Web Comic Toutetsu Vol. 32) [Chinese]
[Gyoukousyu (Gon., Kurosai)] Kanan wa, ○○○ o Tetsudaitai! San (Love Live! Sunshine!!) [Digital]
Himitsu no Otetsudai
Fennec-san no Onanie no Otetsudai!?
(COMIC1☆7) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 4 | Little Sister Helper 4 [English] {Hennojin}
(C89) [Rico-ba (Rico)] Imouto no Ecchi na Manga no Otetsudai [Chinese] [山樱汉化]
[Mogelano] Tachibana Misa no Gohoushi ~Doutei Sotsugyou Tetsudaimasu~ (ANGEL Club 2021-08) [Chinese] [Digital]
(C90) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 7 [Chinese] [轻微汉化]
(C96) [Danball Man (Nikuman Umeew)] Dragon Girl
(C80) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai | Little Sister's Helper [English] =Team Vanilla=
[Ootsuka Reika] Yukari-chan no Otetsudai (COMIC LO 2011-07) [English] [LoliLoli Hunters + LWB]
Imouto no Otetsudai 5 + Paper | Little Sister Helper 5 + Paper
(C82) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 3 | Little Sister Helper 3 [English] {Hennojin}
(C89) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 6
(C83) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 3.5 [Chinese] [Drz漢化]
(C83) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 3.5
Imouto no Otetsudai 9 | Little Sister Helper 9
Imouto no Otetsudai 9 | 여동생의 서비스 9
(C94) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 9 [Chinese] [空気系☆漢化]
(C89) [Rico-ba (Rico)] Imouto no Ecchi na Manga no Otetsudai
Datsui sokosoko ni LOVE P SEVEN Otetsudai-san no Oppai Momi Momi
(C81) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 2
(Graket 2) [Hitsuji Kikaku (Muneshiro)] Yaia no Otetsudai Daisakusen (Granblue Fantasy) [English] [Doujins.com]
(C82) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 3
Ecchi na Otetsudai Inu no Seichou Kiroku | 色情护工犬的性成长记录 4-5
[Satsuki Imonet] Hajimete no Otetsudai | Helping Hand For His First Time (LOVE Kome) [English] {desudesu}
Imouto no Otetsudai | Little Sister's Helper
Imouto no Otetsudai 8 | Little Sister Helper 8 {Hennojin}