(C90) [H-SQUAD (Guglielmo)] Hokentaiiku Jisshuu Jugyou ~Onnanoko no Karada no Shikumi Hen~ | Health and Physical Education Practice Lesson ~Girls' Anatomy~ [English]
(CSP6) [Brown sugar (Miyasaka Naco)] Love Love Lesson Nyan (THE IDOLM@STER CINDERELLA GIRLS)
(C85) [Gainamon (Natsu no Koucha)] Kogasa No Okuchi Lesson! (Touhou Project)
[Haraita] Akane-san no Yokodori Lesson | Akane-san's Stealing Lesson (2D Comic Magazine Ero Bitch ni Netorareta Otoko-tachi Vol. 2) [English] [Panatical] [Digital] [Decensored]
[Ao Banana] AV Lesson Hajimeruyo | AV授業要開始了喔 [Chinese]
Okita-san to Kotatsu Ecchi
(C63) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Piano Lesson (The Big O) [English] [biribiri]
[Tonnosuke] Izumi-Sensei no Milky Lesson + Bangai-Hen | Izumi-Sensei's Milky Lesson + Extra Chapter (Bokurano Multi Choukyou Scenario) [English] [SaLamiLid]
[Hashihiro Kou] Sanbiki ga Yuku! LESSON.01-02
[Kichiku Koubou] Futanari Shoufu Tsuma Nikubou Choukyou
(C74) [Geiwamiwosukuu!! (Karura Syou, Tachi Tsubaki)] Type-G GMS (Various)
[Watanabe Wataru] An exciting lesson [English]
(SUPER25) [g-rough (Kotatsu)] Bokura no Himitsu (Jojo's Bizarre Adventure) [Sample]
(C85) [Gainamon (Natsu no Koucha)] Kogasa No Okuchi Lesson! (Touhou Project) [English] {biribiri}
(C63) [Purin Yokochou (Ouka Sushi)] Pretty Lesson 1 (Onegai Teacher)
Kosenjo Otsukaresama! 2-kame
Natsu no Lesson - Summer Lesson
[Taira Mune Suki Iinkai (Okunoha)] Shokushu Kotatsu to Onnanoko | Tentacle Kotatsu and Girl [English] [Digital]
[Kotatsu de Mikan Chokubai Tokoro (Semahiro)] Chou Kyokon Futanari Shoujo vs Shoumei Shashin [Digital]
(Reitaisai 9) [Kotatsu de Mikan Chokubai Tokoro (Semahiro)] Seigyobou Seigyo Funou (Touhou Project)
[Ukikotatsu] Nagasare Sensei
[Anthology] Henshin Heroines (Transformation Heroines)
Oku-sama wa Dar-sama
(C93) [Lovelante] You Chika After Lesson (Love Live! Sunshine!!)
DUAL:ENGINES
[Akatama (Sakurafubuki Nel)] Kotatsu to Anime to Onii-chan | Kotatsu, Anime and Onii-chan [English] {5 a.m.} [2014-01-15]
(CSP6) [Akashitei (Tokoyo Akashi)] Azusa to Shinya no Kojin Lesson (THE IDOLM@STER)
[pinvise (Suzutsuki Kurara)] Tennen Tenshi no Chome Chome Lesson (Sora no Otoshimono)
Kuzu na Ijimekko o Saimin NTR Nikubenki ni Shite Haramase
(CiNDERELLA ☆ STAGE 5 STEP) [Millionlove (Yayo)] Perfect Lesson 6 - Honda Mio Yagai Choukyou (THE IDOLM@STER CINDERELLA GIRLS) [English] [Incomplete]
(C89) [Millionlove (Yayo)] Perfect Lesson 5 -Idol Haisetsu Stage- (The Idolm@ster Cinderella Girls)
(C64) [BoLT-KING (Kanetaka Souichi, MU.)] Nadja OOO Lesson (Ashita no Nadja)
[Wasabi] Link to Zelda no Shoshinsha ni Yasashii Sex Nyuumon | Here is a little lesson about Link and Zelda's relation (The Legend of Zelda: Breath of the Wild) [English] [alexdupont]
[Eimu Yuu] Misshitsu no Lesson
(Bokura no Love Live! Shinnenkai 2017) [Shobocon (Kitamura Tooru)] Kotatsu Rhapsody (Love Live!) [English] [Sexy Akiba Detectives]
(C86) [Inu to Kotatsu (Nanase Mizuho)] Teitoku no Oyome-san (Kantai Collection -KanColle-) [Chinese] [无毒汉化组]
(Love Song ☆ Lesson ♪ 14th) [raica (Chizu)] pink cherry jam (Uta no Prince-sama)
(C85) [Dark battery (Myouga)] Onii-chan to Lesson (To LOVE-Ru)
(C89) [Inu to Kotatsu (Nanase Mizuho)] Kikuushi no Seikatsu (Granblue Fantasy) [English] [Doujins.com]
(COMIC1☆10) [Mujitan (Tsumugie)] Bakunyuu Renshuukan Kashima-chan Haru no Oppai Lesson Chinjufu (Kantai Collection -KanColle-)
[Rakko] One More Lesson, Haruka-sensei (Murikuri) [English] [Sei-Jin]
Okota de Mofumofu | Fluffing in the Kotatsu
Tennen Shimakko Harune-kun Kotatsu to Himitsu丨被炉里面的秘密
(C76) [Kohaneto] Magical Lesson (Quiz Magic Academy)
[Granada Sky (Mogiki Hayami)] Mayonaka no Tokubetsu Lesson | Special Midnight Lesson (Go! Princess Precure) [English] {5 a.m.} [Digital]
Kikuushi no Seikatsu 3
COMIC Penguin Club Sanzokuban 2017-03 [Digital]
[Usotsukiya (Oouso)] Flan-chan Kutsushita Bon 2 "Kotatsu Hen" (Touhou Project) [Digital]
(C89) [Navel Colors (Sakurazuki Minamo)] SECRET LESSON ~Shibuya Rin no Baai~ (THE IDOLM@STER CINDERELLA GIRLS)
Kosenjo Otsukaresama!
[Hanzaki Jirou] Ukiuki Gohoubi Lesson Chuuhen | Cheerful Gift Lesson Part 2 (Love Love Rumble) [English] [CGrascal]
[Maeshima Ryou] Pakokkusu (Kirakira Otona Lesson) [English] {Hennojin}
[Attamaro. (Kotatsu.)] Chounai Sairin Esute ni Kita Osore Bijin no Oshiri o Saimin QP-iri Kanchō de Kando Saidai ni Shite Okasu. (Fate/Grand Order) [Digital]
[Amatarou] Lesson to You
(C92) [Millionlove (Yayo)] Perfect Lesson 7 - New Generations Haisetsu Stage (THE IDOLM@STER CINDERELLA GIRLS) [English]
[pink-noise (Mizuiro Megane)] 『Futanari Doutei LESSON』 no Oshirase (Kantai Collection -KanColle-) [Chinese] [沒有漢化] [Digital]
[Hakkou Shoujo (Suzu)] Idol Sasaki Chie Warui Ko Lesson! (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
[Tanaura Honpo (Tanaura Oruta.)] Kokoro-chan Kyousei Smile Lesson (Touhou Project) [Digital]
[Osuzu Akiomi] Happy Lesson (COMIC Tenma 2009-05) [English] [Hentaimaru]
Yumemi Riamu no Tokubetsu Lesson | Riamu Yumemi's Special Lesson
[Branshea] Zetsurin Golf Lesson 1-3 [Digital]
(C89) [Nekopunch Bashibashi (Nyangorou)] Private Lesson (THE IDOLM@STER) [English] [Trinity Translations Team]