(C94) [KURUBUSI-KAI (Dowarukofu)] Mikan no Naisho no Shuumatsu (To LOVE-Ru)
(C91) [Fujiya (Nectar)] Naisho na Shinomiya-san | 四宮同學的秘密 [Chinese] [夢之行蹤漢化組]
(C83) [Mama ni wa Naisho (Purukogi Beach)] Enshoku Niku Sakura - Coquettish Flesh Cherry (Dead or Alive)
[Horihone Saizou] Naisho [ENG]
(COMIC1☆7) [CARAMEL CRUNCH! (Rikatan)] Naisho no Houkago Idol (Love Live!)
(C90) [SAZ (Onsoku Zekuu)] Kudelia Sensee no Seiteki Jugyou (Mobile Suit Gundam Tekketsu no Orphans)
[Usi] Otto ni Naisho de Ajimi Shite Ch.1-6
(CR31) [Studio Wallaby (Deep Purple '72)] Suu no Naisho!! -The secret of Su- (Vampiyan Kids)
(C89) [666PROTECT (Jingrock)] Tenkousei JK Elf -Houkago Choukyou Jugyou- [Chinese] [ass個人簡易漢化]
[ChildBox (Various)] Naisho no Asobi (Ojamajo Doremi)
[Agata] Naisho no Kakurenbo (COMIC Megamilk Vol.18)
(C89) [Jagabata (Oimo)] Naisho no Futarikiri (PriPara)
(C86) [Go-Go-Merry-Go-Round (Kasai Ema)] Naisho no Natsuyasumi. (Neon Genesis Evangelion) [English] [CGrascal]
Girotin Konsoku Hoken no Jugyou
(brilliant days 3) [amuamu (Chimu)] Bokura no Naisho no (Ensemble Stars!)
Gaman Dekinai Kagai Jugyou
Boku Otokonoko nan desu kedo - Tokubestu Jugyou
(C91) [Brilliant Thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex - Fuyuyasumi no Toode Hen
[Maekawa Hayato] Onee-chan Sensei no Himitsu Jugyou
(CCTokyo132) [Kitei (Naoki)] Naisho Banashi (Kuroko no Basuke)
Muchimuchi Kanojo no NTR Hoshuu Jugyou
Sensei no Himitsu Jugyou | Sensei's Secret Lesson Ch. 1-9
(C56) [Studio Wallaby (Deep Purple '72, Meguro Sankichi)] Jubei-chan no Naisho (Jubei-chan)
(C88) [Akuten Soushin (Kokutou Nikke)] Tenryuu Onee-chan to Naisho no Yasen Enshuu!! (Kantai Collection -KanColle-)
(C73) [SUTE☆POTE (Kagura Soushi)] riri tama hoshuu jugyou! | Riritama Supplementary Lessons (Mahou Shoujo Lyrical Nanoha) [English]
[Higashimidou Hisagi] Momozono Gakuensei Kagaku Jugyou Houkago Fuck - After School Fuck
[Nekomaru Rentarou] Naisho no Jugyou (U-148 cm.) [Chinese] [我是肛♂蛋!不是 融⚥合!] [Digital]
Rika Sensei no Kagai Jugyou | Rika Sensei's Extracurricular Lesson
Keiko Sensei no Chijoku Jugyou
(COMIC1☆8) [TriaL3 (Various)] Naisho no Imouto Ecchi [Chinese] [佳奈助汉化]
Tenkousei JK Elf 3 Saishuushou -Houkago Yagai Jugyou-
[Marneko] Onnanoko Supple ~Seitenkan Shite Hoken no Jugyou~ | 女孩子補給品 性轉換之後保健的授業 [Chinese]
(C84) [Angel Bless (Tsukiji)] Kore wa Ze-ttai ni Naisho desu kara ne! (Touhou Project)
(C90) [Kaminari-neko (Eitarou)] Miho to Anzu no Naisho no Himegoto (Girls und Panzer) [Chinese] [一匙咖啡豆汉化组]
[Garakuta Shoujo (Miito Shido)] Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 1
Seiseki Up! Tokubetsu Kojin Jugyou no Himitsu
(SC5) [Studio Wallaby (Deep Purple '72, Kura Oh)] Doris no Naisho (D4 Princess)
(C78) [Studio Wallaby (Haruhonya)] Onee-chan Sensei Zenbu to Hoshuu Jugyou
[Gekkou Tei (Seres Ryu)] Chiron Sensei no Seikou Jugyou (Fate/Grand Order) [Digital]
[Motika] Naisho no Sakunyuu | Milking In Secret (ANGEL Club 2014-01) [English] [vaasi]
(C88) [H-SQUAD (Guglielmo)] Zenra de Suiei no Jugyou!! | Naked Swimming Class!! [English] =LWB=
(C90) [H-SQUAD (Guglielmo)] Hokentaiiku Jisshuu Jugyou ~Onnanoko no Karada no Shikumi Hen~ | Health and Physical Education Practice Lesson ~Girls' Anatomy~ [English]
(C88) [THE FLYERS (Naruse Mamoru)] Maekawa-san to Naisho no XX (THE IDOLM@STER CINDERELLA GIRLS)
(C87) [Jaku Shouji Musho Shokun (Futaba Yae)] Naisho no Hakuchi Shuuri (Kantai Collection -KanColle-)
(Senka no Toki) [Syupa! (makiron)] Naisho no Uchiban | 祕密的內番 (Touken Ranbu) [Chinese] [月下鹤吟汉化组]
(C79) [Kirimochi Texture (Kyuu Yoyoyoyou)] Naisho no Milky Time (Tantei Opera Milky Holmes)
[Studio Wallaby (Kokuden Kadotake, Shijuukara, Leopard)] Shaorin no Naisho (Mamotte Shugogetten!)
[Anthology] Megane Loli Choukyou Jugyou!! ~Otonashii Megane Lolikko ni Muriyari Dekachin Sounyuu~ | The Loli In Glasses' Training Lesson!! ~Force Fucking a Timid Glasses Wearing Loli With My Big Cock~ Ch. 1-2 [English] {Doujins.com}
(Puniket 35) [0000 (Akito.)] Rize Sensei to Himitsu no Jugyou (Gochuumon wa Usagi desu ka?) [Chinese] [脸肿汉化组]
(C90) [H-SQUAD (Guglielmo)] Hokentaiiku Jisshuu Jugyou ~Onnanoko no Karada no Shikumi Hen~ [Chinese] [沒有漢化]
[Ookami Uo] (Ryuushutsu) JSJC Naisho no Jian Ch. 1-5 [Chinese]
Classmate to Ecchi Jugyou Ch. 1
[Konohana] Naisho no Jikan | Secret Times (COMIC Megastore 2009-04) [English] [Hentai from Hell]
[Usi] Otto ni Naisho de Ajimi Shite 1
[Koari] Naisho no Hokenshitsu (Seifuku Musou Houkago Tokubetsu Koushuu Hen) [Decensored]
(C70) [Dr.VERMILION (Riku, Kurasawa Makoto, Petenshi)] Youmu no Naisho! - Youmu's Secret (Touhou Project) [English]
Jugyou ni Kyousei Rape Time ga Dounyuu Saremashita ~ Suki na Ko wo Hame Houdai! Kyousei Hame Jikan Start!
(Kouroumu 6) [04U (Misasagi Task)] Anoko nya Naisho (Touhou Project)
[Babymaker (Beco)] Naisho no Kozukuri [English] [MintVoid]
(C73) [Samurai Ikka (Kureyon)] Yomako Sensei no Yuuwaku Jugyou (Tengen Toppa Gurren Lagann)
[GOD Ryokutya (Bu-chan)] Papa ni wa Naisho yo? | Don't Tell Dad OK! (Brave Beats) [English] [Digital]
[Circle Roman Hikou (Taihei Tengoku)] Sekaiichi Uketai Kojin Jugyou (Quiz Magic Academy)
(C91) [CHARAN PORAN (Nekono Matatabi)] Naisho no Rehearsal (THE IDOLM@STER CINDERELLA GIRLS)
[Horihone Saizou] Naisho-Yoo