[Shunjou Shuusuke] Secret Lesson (COMIC MUJIN 2012-06) [English] [darknight]
Lesson Learned [English] [Rewrite] [olddog51] [Decensored]
(C85) [Happiness Milk (Obyaa)] Majo Datanpen Monogatari (Touhou Project)
[Onikubo Hirohisa & TEAM IBM] Kagami no Naka de Lesson
[Momonosuke] Beach de Kojinshidou - private lesson at the beach (Monthly Vitaman 2015-09) [English] [Fated Circle]
Perfect Lesson -Shibuya Rin Kanzen Choukyou- | Perfect Lesson -Rin Shibuya Complete Training-
(SC30) [HAPPY WATER (Kizaki Yuuri)] Dai 3 Tsugi Colorful War. (Super Robot Wars)
[Three M (Mumumu)] BAKIBAKI LESSON (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
(C70) [HAPPY WATER (Kizaki Yuuri)] Colorful Bleach. (Bleach)
(SC48) [Happiness Milk (Obyaa)] Nikuyokugami Gyoushin - Hole satisfying a desire - (Touhou Project)
[23.4do (Sazaki Ichiri, Kazuto)] LESSON 1 (Vocaloid) [2008-01-20]
(C84) [zero-sen (xxzero)] 3D no X to Y de Happiness?! (Pokemon)
(C84) [HAPPY UNBIRTHDAY (Eekun)] Tres (THE IDOLM@STER)
UNHAPPY GIRL b/13
[pinvise (Suzutsuki Kurara)] Tennen Tenshi no Chome Chome Lesson (Sora no Otoshimono)
(C73) [Happy Paranoia, Shikkokuno J.P.S. (Wanashiro Giovanna, Hasumi Elan)] ...to be ''kissin' you (KiMiKiSS)
(C92) [Happiness Milk (Obyaa)] Scarlet Hearts 2 (Touhou Project)
(COMIC1☆10) [mon-petit (Mon-petit)] Mai Senpai no Anal Lesson (Musaigen no Phantom World)
(C76) [Yubisaki Studio (Hidari Kagetora)] Les Chuu Life 2nd Lesson
[Fei] Kyuuketsu Jokyoushi no Kenzoku Seikatsu ~Lesson with Vampire~ Ch. 4 [Chinese] [瓜皮汉化]
(C63) [Okinawa Taieki Gunjinkai (Yasunaga Kouichirou)] Piano Lesson (The Big O) [English] [biribiri]
(C86) [Basutei Shower (Katsurai Yoshiaki)] SEX p.a.r.t.y -hard drug lesson- (Love Live!)
[Osuzu Akiomi] Happy Lesson (COMIC Tenma 2009-05) [English] [Hentaimaru]
(C70) [Happy Man (Suzuki Kyoutarou)] Unhappy Girl b/2 (Higurashi no Naku Koro ni [When They Cry - Higurashi])
[Kisaragi Gunma] Chikan Lesson | Molester Lessons (COMIC Megastore H 2005-03) [chinese] [Colorized]
(SC30) [HappyBirthday (Maruchan., Monchy)] REDEMPTION (Touhou Project)
(Reitaisai 10) [Happiness Milk (Obyaa)] Nikuyokugami Gyoushin - tentacle and hermaphrodite and two girls - (Touhou Project) [Chinese] [殭屍漢化]
(COMIC1☆10) [slice slime (108 Gou)] Hakunetsu Rape Kyoushitsu (Anne Happy)
(C94) [Handful☆Happiness! (Nanahara Fuyuki)] ENCHANTING POISON [Chinese] [无毒汉化组]
(Love Song ☆ Lesson ♪ 14th) [MixTurE (Nori)] Torikago no Utahime (Uta no Prince-sama)
(Nanairo Majo no Ningyou Butoukai 3) [Komorikiri. (Urin)] Kokoro to Issho ni Sex Lesson! (Touhou Project)
(C88) [KORISUYA (Korisu)] Kaki Suiei Kojin Lesson
(SC2017 Winter) [HappyBirthday (MARUchang)] Itteki no Eikyou (Fate/Grand Order)
[HAPPY WATER (Kizaki Yuuri)] Colorful Geachu Geachu! (Code Geass: Lelouch of the Rebellion) [English] {doujin-moe.us}
[Tanaura Honpo (Tanaura Oruta.)] Kokoro-chan Kyousei Smile Lesson (Touhou Project) [Digital]
Saimin Idol ~Happy Clover ga Chiriochiru made~ Ch. 1-7
[Q] Kagai Lesson (Fujouri na Nyotai Kousoku) [Digital]
[Onihime] Slave Lesson
(C87) [Santonana (Satou Tomoyuki)] Love Lesson! (Love Live!)
[Happy Present (Kouduki Miyabi)] Ecchi na Imouto to Shintai Koukan ~Kyou kara Ore wa Ochinpo Dorei~ | Switching Bodies With a Lewd Sister: From Today on I'll be a Cock Slave [English] [sensualaoi] [Digital]
(C71) [Happy Paranoia, Shikkokuno J.P.S. (Wanashiro Giovanna, Hasumi Elan)] Child of Fortune (Rune Factory)
(C95) [Handful☆Happiness! (Nanahara Fuyuki)] HORNY BUNNY (Granblue Fantasy)
(Reitaisai 12) [Happiness Milk (Obyaa)] Scarlet Hearts (Touhou Project)
(Tora Matsuri 2015) [Happy Birthday (MARUchang)] Guraburunrun Fantasy (Granblue Fantasy)
[Kaniya (Kanyapyi)] Kirara no Princess Lesson | Kirara's Princess Lessons (Go! Princess PreCure) [English] {5 a.m.} [Digital]
(C92) [Piyo Project. (Hatori Piyoko)] Kamoi Mama to Nuki Nuki Lesson (Kantai Collection -KanColle-)
Laura-chan no Saimin Lesson | Laura's Hypnosis Lesson
[Sansyoku Amido.] Pure Lesson
[Happydrop (Minase Sizuku)] Underworld [Digital]
(C88) [life (Haga Yui)] Chou Jissenteki Princess Lesson (Go! Princess Precure)
(C64) [BoLT-KING (Kanetaka Souichi, MU.)] Nadja OOO Lesson (Ashita no Nadja)
(C85) [slice slime (108 Gou)] Dunois-san Kyouikuteki Shidou desu! | That's a Very Instructive Lesson, Dunois-san! (IS <Infinite Stratos>) [English] [Rapid Switch]
(C91) [Handful☆Happiness! (Nanahara Fuyuki)] Jessica Onee-chan Chaku Ero Debut-Jessica Onee-chan's Ero Debut (Granblue Fantasy) [English] {Doujins.com}
(Houraigekisen! Yo-i! 35Senme) [HAPPY UNBIRTHDAY (Kiiro Kurumi)] Ashita Haretara (Kantai Collection -KanColle-) [Chinese] [琴叶汉化]