(SUPER22) [Kiiro Bird (Pappa)] Oyajidomo ni wa Naisho dazo (Magi: The Labyrinth of Magic)
(C92) [Tenrake Chaya (Ahru.)] Matsurinoyoru no Naisho (Kantai Collection -KanColle-)
[Activa (SMAC)] Yomako Sensei no Tokubetsu Jugyou (Tengen Toppa Gurren Lagann) [English] {fzid4}
(COMIC1☆4) [TRIP SPIDER (niwacho)] Naisho no Omamagoto (Fate/Hollow Ataraxia) [English] [desudesu]
(C91) [Fujiya (Nectar)] Naisho na Shinomiya-san | The Secretive Shinomiya-san [English] {Hennojin}
(C88) [H-SQUAD (Guglielmo)] Zenra de Suiei no Jugyou!! [Chinese] [沒有漢化]
(C78) [apricot (Anji, Kuroo)] Omote to Ura no Himitsu to Naisho. (Amagami) [English]
[Syuuen] Delivery love (Kagai Jugyou) [English] [Sei-Jin] [Decensored]
(C92) [Macaron*Sketch (Yukatama)] Naisho no Cappuccino (Gochuumon wa Usagi desu ka?)
[Shunjou Shuusuke] Kojin Jugyou | Private Lesson (COMIC MUJIN 2012-08) [English] [darknight]
(C82) [Spice Style Company (Kabutogani)] Naisho no Hanashi (Bakemonogatari)
Kawakami Sensei to Futaba no Himitsu Kojin Jugyou
[Morishima Kon] Naisho No Gohoushi (COMIC Tenma 2016-04) [Chinese] [漢化組漢化組]
(C86) [Go-Go-Merry-Go-Round (Kasai Ema)] Naisho no Natsuyasumi. (Neon Genesis Evangelion) [English] [CGrascal]
[Jingrock] Kokuhaku | Confession (Shougakusei Koukan Jugyou) [English] [Yoroshii]
Megane Loli Choukyou Jugyou!!
Tenshi no Kagai Jugyou Ch. 3
Tenshi no Houkago Jugyou Chapter 3
Lecia no Naisho Naisho no Chitsujo
[Keno Yantarou] Abunai Kagai Jugyou
(C77) [Zi, 66 no Oka (Mutsuki Ginji, Mu Mu Munou)] Naisho no Zange Shitsu 1 (Kannagi)
(Houraigekisen! Yo-i! 14Senme) [Testa Kitchen (Testa)] Onee-sama-tachi ni wa Naisho! (Kantai Collection -KanColle-)
[Phantom] Tsuya Ane ~Onee-san no Micchaku Jugyou~ [Chinese]
(C84) [ROMEO DASH (Kitto Shibaru)] Naisho desuyo, Reimu-san! (Touhou Project)
Kitakami-san to Naisho no Naisho
(COMIC1☆9) [Atelier Lunette (Mikuni Atsuko)] Naisho Nano! -Haruhara-ke Sanshimai Monogatari- 2 [English]
Chiron Sensei no Seikou Jugyou
(C82) [Circle Ohigetan (Ohigetan)] Ohigebon-32 Classmate Manko Note 7-kame Joukan Taiiku no Jugyou no Ato Classmate no Onnanoko-tachi ni Onnanoko ya Ase no Nioi de Munmun Muremure no Joshi Kouishitsu e Shoutai Saremashita
[Katuraya (Takemaru)] Naisho no Ichiban Kuji (Mahou Shoujo Lyrical Nanoha)
Kagai Jugyou Netsu Shisen
[Pavington (Takahara Sea-Gull, Marukido Sado)] Narashite Naisho no Concerto
(CiNDERELLA ☆ STAGE 6 STEP) [Rokata Aruki (Akino Komichi)] Naisho no Ohanashi o (THE IDOLM@STER CINDERELLA GIRLS)
(C83) [CIrcle Ohigetan (Ohigetan)] Ohigebon-35 Classmate Ochinchin Jugyou Sankan
[blue killer (Doku Denpa)] Naisho no Yodare Sex [Digital]
(C90) [Upagoya (Endori)] Senpai ni wa Naisho ssu yo? (Granblue Fantasy)
[Pirates Patrol (Otokawa Kazuki)] Naisho no Omorashi [Digital]
[Ochikochitei (Tadano Kushami)] Houkago no Kojin Jugyou
[Henreader] Naisho no Date Plan (COMIC X-EROS #37) [Chinese] [無邪気漢化組]
Shiroki senkō howaitopansā ~ haiboku kagai jugyō ~
[Lightcoral (Tomi)] Naisho no Oyuugi Kai [Digital]
Yomako-Sensei no Tokubetsu Jugyou
Dennou Sekai ni Torawarete ~Onna Avatar de Seihoushi Jugyou, Uketemasu~
(COMIC1☆3) [Human High-Light Film (Shiosaba)] Naisho no Honey (Cutey Honey)
(CR31) [Studio Wallaby (Deep Purple '72)] Su no Naisho!! -The secret of Su- (Vampiyan Kids)
[Anthology] Megane Loli Choukyou Jugyou!! ~Otonashii Megane Lolikko ni Muriyari Dekachin Sounyuu~
(C84) [Angel Bless (Tsukiji)] Kore wa Ze-ttai ni Naisho desu kara ne! (Touhou Project)
(C78) [apricot (Anji, Kuroo)] Omote to Ura no Himitsu to Naisho. (Amagami) [English] [magiclamp]
[Aoji] Kagai Jugyou (Naruto)(English)(yaoi)
[HIGH RISK REVOLUTION] Shiori Vol.11 Inya no Kagai Jugyou (Tokimeki Memorial)
[Oyama Yasunaga] Kahanshin Jugyou - Teaching About the Lower Half of the Body
[Oshii Rei] Kougyaku Jugyou [English] [CGrascal]
(C83) [Ameyama Telegraph (Ameyama Denshin)] Rokujou Junko no Haisetsu Kagai Jugyou
[Garakuta Shoujo (Miito Shido)] Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 1
On'na kishi no kagai katsudō (Mahou Shoujo Ikusei Keikaku