(C89) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 6
Ganyu-chan ga Shigoto to Seiyoku Shori o Otetsudai suru Hon
(Graket 2) [Hitsuji Kikaku (Muneshiro)] Yaia no Otetsudai Daisakusen (Granblue Fantasy) [English] [Doujins.com]
Leander no Ecchi na Otetsudai
[Wasabi Mochi (Momosawa)] Ganyu-chan ga Shigoto to Seiyoku Shori o Otetsudai suru Hon. | A book where Ganyu-chan helps out with work and letting one out. (Genshin Impact) [English] [Tamamo] [Digital]
(C84) [Torinoya (Mashikodori)] Otetsudai Suru Mon! (Cardfight! Vanguard)
Imouto no Otetsudai 8
Natsu Inaka Kaeri no Otetsudai | 夏 回鄉的幫忙
Otetsudai nara Makasete
[Ochikochitei (Tadano Kushami)] Yuujin no Mama ga Onanie no Otetsudai? [Chinese] [cqxl自己汉化]
Mamahaha no Ninkatsu Otetsudai
(C88) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 5 [Chinese] [oo君個人漢化]
Imouto no Otetsudai 8 | Little Sister Helper 8
Imouto no Otetsudai 6 | 여동생의 서비스 6
(DC RETURNS 15) [Sakaki no Moroi (Citron)] Gasshukujo no Otetsudai Shokushu ni Kyousei Sex Saserareta Hanashi (Kuroko no Basuke)
Himitsu no Otetsudai
[Aoi Hitori] Otetsudai. | Helper (Bishoujo Teki Kaikatsu Ryoku 2006 Vol. 11) [English] {Sei-Jin} [Decensored]
Otetsudai
Tokubetsu Jugyou no Otetsudai
(C83) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 3.5 | Little Sister Helper 3.5 [English] {Hennojin}
Imouto no Otetsudai 5 + Paper
(C80) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai | Little Sister's Helper [English] =Team Vanilla=
Ecchi na Otetsudai Inu no Seichou Kiroku | 色情护工犬的性成长记录 4-5
Ecchi na Otetsudai wa Suki desu ka?
[WastePaperMarket (Cuzukago)] Otetsudai | Assistance [English] [Januz]
[Uten kekkou (Kurisaki King)] Marine Senchou no Otetsudai (Houshou Marine)
(COMIC1☆7) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 4
Kyouei Mizugi ga Nuge naku Natta Karin no Otetsudai o Suru Hon
Kotori ga Anata no Seiyoku Shori no Otetsudai Shiteageru
(C83) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 3.5
[Satsuki Imonet] Hajimete no Otetsudai (LOVE Kome) [Chinese] [maxtri个人汉化]
Fennec-san no Onanie no Otetsudai!?
[Ochikochitei (Tadano Kushami)] Yuujin no Mama ga Onanie no Otetsudai? [Digital]
(C88) [TTSY (Kurogane)] Mamahaha no Ninkatsu Otetsudai
(C82) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 3 | Little Sister Helper 3 [English] {Hennojin}
(C81) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 2 [English] =Sharpie + TV + Afro=
[R*kaffy (Aichi Shiho)] Watashi ga Otetsudai Itashi masu! [Digital]
(Kouroumu 9) [Asshuku Koubou (Terazip)] Toilet de Wanko ga Otetsudai (Touhou Project)
Usagi no Otetsudai
Toilet de Wanko ga Otetsudai
(C89) [Rico-ba (Rico)] Imouto no Ecchi na Manga no Otetsudai
(C82) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 3
(C89) [Takanaedoko (Takanae Kyourin)] Imouto no Otetsudai 6 | Little Sister Helper 6 [English] {Hennojin}
Mojidoori! Nandemo Shite Kureru Otetsudai-san.
Imouto no Otetsudai 5 + Paper | Little Sister Helper 5 + Paper
(C92) [Harinashi Honpo (Harimu Ohagi)] Yamato ga Teitoku no Diet o H ni Otetsudai Shimasu! (Kantai Collection -KanColle-)
Imouto no Otetsudai 6
Ecchi na Otetsudai Inu no Seichou Kiroku | 色情护工犬的性成长记录 1-3
[Studio Gaudi] Donna Tanomi Demo Zettai ni Kotowarenai Otetsudai Ken!
(C87) [Kurumi Namiki (Mita Kurumi)] Seishori 1-nichi Otetsudai no Hazu datta noni (Space Battleship Yamato 2199)
(C82) [4season (Saeki Nao)] Reika-san no Otetsudai (Smile Precure!)
Yuukarin no Otetsudai de, Chikubi o Tsutsuki Mawasare Shouten Alice-chan.