[Hori Hiroaki] Mesuochi Z ~Kyousei Ninkatsu Haigou Zukan~
Kaki Hoshuu Soushuuhen 1~6+
(C95) [Sawayaka Tokunou Milk (Arumamai Ayuka+)] Hibiki-chan no Fuwafuwa Tsuihoshuu! (Kantai Collection -KanColle-)
[Pija] Binkan Hoshuu | Sensitive Supplementary Class (Nee,… Shiyo) [English] {Hennojin}
[Hito no Fundoshi (Yukiyoshi Mamizu)] Kaki Hoshuu 4 [English] [fmko] [Digital]
[Jam Kingdom (Jam Ouji)] Futanari Gakuen Anal Hoshuu
[HATENA-BOX (Oda Kenichi)] Hokentaiiku no Hoshuu Jugyou (Baka to Test to Shoukanjuu) [Digital]
(C82) [Hito no Fundoshi (Yukiyoshi Mamizu)] Kaki Hoshuu
Hitozuma Ninkatsu Swimming 13-nenmae, Rape Sareta Watashi to Shinyuu
(C92) [Hito no Fundoshi (Yukiyoshi Mamizu)] Kaki Hoshuu 8 [English]
[Setouchi Pharm (Setouchi)] Danjo Gyakuten Ninkatsu 3
[Katsurai Yoshiaki] Amatsuka Gakuen no Seikan Hoshuu (COMIC ExE 07) [Chinese] [空気系☆漢化] [Digital]
(Shuuki Reitaisai 3) [Kasou Genjitsu (Hasekura Noise)] Kyousei Ninkatsu Nagae Iku (Touhou Project)
(C85) [Hito no Fundoshi (Yukiyoshi Mamizu)] Kaki Hoshuu 3
[Itsutsuse E (Itsutsuse)] Dark Elf no Ninkatsu Schale [Chinese] [無邪気漢化組] [Digital]
Muchimuchi Kanojo no NTR Hoshuu Jugyou | NTR – Voluptuous Girlfriend's Supplementary Lesson
[Hori Hiroaki] Mesuochi Z ~Kyousei Ninkatsu Haigou Zukan~ Ch. 1-9 [English] {Doujins.com}
Ninkatsu Hitozuma Collection - the collection of married women undergoing infertility treatment
[Nanda Kono Sekai (Chamomile)] Ninkatsu Hitozuma Akutoku Saimin Ryouhou de Gokainin [Chinese]
(Reitaisai 15) [Kasou Genjitsu (Hasekura Noise)] Kyousei Ninkatsu Patchouli Knowledge (Touhou Project)
(C67) [Okachimentaiko (H-H)] Dears - Mitsuka Sensei no Ikenai Tokubetsu Hoshuu | Mitsuka Sensei's Forbidden Special Training (H-H Soushuuhen 4) (DearS) [English] [EHCOVE]
[Yoiko Books] Ninkatsu Nisshi Otto ni Naisho de Seishi Bank Tsukatte mita
[Setouchi Pharm (Setouchi)] Danjo Gyakuten Ninkatsu 2 [English] {Hennojin}
[Desk Work (Ashita)] Mika-chan no Himitsu no Hoshuu | Mika-chan's Secret Supplementary Lessons (THE IDOLM@STER CINDERELLA GIRLS) [English] {Doujins.com} [Digital]
[niwacho] Tokubetsu Hoshuu (COMIC Tenma 2015-09) [English] {NecroManCr}
[Setouchi Pharm (Setouchi)] Danjo Gyakuten Ninkatsu
Hoshuu no Jikan
Mika-chan no Himitsu no Hoshuu | Mika-chan's Secret Supplementary Lessons
[Hori Hiroaki] Mesuochi Z ~Kyousei Ninkatsu Haigou Zukan~ Ch. 1-6 [English] {Doujins.com}
Ninkatsu x3 Everyday
(C91) [Hito no Fundoshi (Yukiyoshi Mamizu)] Kaki Hoshuu Soushuuhen 1~6+ [Chinese] [漢化組漢化組×Foxglove]
[Hori Hiroaki] Mesuochi Z ~Kyousei Ninkatsu Haigou Zukan~ Ch. 1-7 [English] {Doujins.com}
[Hito no Fundoshi (Yukiyoshi Mamizu)] Kaki Hoshuu 6 [English] [Bidouleroux]
[Setouchi Pharm (Setouchi)] Danjo Gyakuten Ninkatsu 2
[SAS] Kyousei Ninkatsu [Digital]
Kaki Hoshuu 10 | 夏季补习10
Sabotte Hamatte Hoshuu Jugyou | 偷懶♡上癮♡補習課程
(COMIC1☆8) [Hito no Fundoshi (Yukiyoshi Mamizu)] Kaki Hoshuu 4
[Nounai Kanojo (Kishiri Toworu)] Hoshuu Desu yo? Kamijou-chan (Toaru Majutsu no Index) [English] [Kibitou4Life]
Hoshuu Jugyoubu Seikatsu Kiroku
[Sukiyoshi Shinji] Kareshi? Kanojo? no Hoshuu Youkou (Incubus) [English] [mysterymeat3]
[Polinky Hiroba (Hori Hiroaki)] Ninkatsu Senkan (Kantai Collection -KanColle-) [Digital]
Riritama Hoshuu Jugyou! - Riritama Supplementary Lessons!
Binkan Hoshuu | Sensitive Supplementary Class
Ninkatsu Hitozuma Akutoku Saimin Ryouhou de Gokainin
[Nanda Kono Sekai (Chamomile)] Ninkatsu Hitozuma Akutoku Saimin Ryouhou de Gokainin
Mizuho no Ecchi na Hoshuu Jugyou
[Miyamoto Smoke] Natsu no Tokubetsu Hoshuu | Special Training During Summer (Shinzui LATE SUMMER Ver.) [English] =LWB=
[Dorachefu] Muchimuchi Kanojo no NTR Hoshuu Jugyou | NTR – Voluptuous Girlfriend's Supplementary Lesson (ANGEL Club 2018-07) [English] [seindryu] [Digital]
※Hoshuu Jugyou desu.
[MEAN MACHINE (Mifune Seijirou)] Hitozuma Asahina Miyo (32) Himitsu no Ninkatsu Nisshi [Digital]
Yakan Hoshuu
Io-chan to Ecchi na Hoshuu no Ohanashi
(Shuuki Reitaisai 5) [Kasou Genjitsu (Hasekura Noise)] Kyousei Ninkatsu Kochiya Sanae (Touhou Project)
Kaki Hoshuu 6+
(C78) [Studio Wallaby (Haruhonya)] Onee-chan Sensei Zenbu to Hoshuu Jugyou
Ninkatsu Taimanin Sakura Oboro no Juujun Pet no Hanashi
Kyousei Ninkatsu
[Hori Hiroaki] Mesuochi Z ~Kyousei Ninkatsu Haigou Zukan~ Ch. 1-2 [English] {Doujins.com}
[Kunitsu Takeshi] Tokubetsu Hoshuu | Special Supplementary Lesson (Youjutsushi) [English] {Mistvern}
[sayryu (sayryu)] Basuke Shoujo to Sukebe na Hoshuu [Digital]