(C90) [Raijinkai (Haruki Genia)] Naisho no Kagai Jugyou (NEW HORIZON)
(C81) [TIES (Takei Ooki)] Kobato no Naisho. (Boku wa Tomodachi ga Sukunai) [Decensored]
[Sirotateto] Naisho no Orusuban [Digital]
Shiori Quest
(Futaba Gakuensai 9) [Sekai Saiko (Mesopotamian Civ)] Naisho no Tsuinteruzu
Dare no Shiwazaka Wakarimasu?
[Misaki (Mikemono Yuu)] Akuma de JK! -Makai Appli de Harem Shiken- | Devil Highschooler! -Creating a Harem With a Devil App- Ch. 2 [English] [AntaresNL667]
[Ookami Uo] Yuutousei | The Honor Student ([Ryuushutsu] JSJC Naisho no Jian) [English]
(SC2015 Autumn) [Ame Usagi (Amedamacon)] Naisho no Hokenshitsu (Gochuumon wa Usagi desu ka?) [English] {Hennojin}
(C86) [Go-Go-Merry-Go-Round (Kasai Ema)] Naisho no Natsuyasumi. (Neon Genesis Evangelion)
(Reitaisai 15) [Green tea Lab (midarin)] Aya-chan no Naisho no Micchaku Shuzai (Touhou Project)
[R-Deco (Yusa)] Youjo Senpai niwa Naisho! (Aikatsu!) [Digital]
Kaguya-sama na Heya
Marisa to Futanari Alice
(C89) [Tatsumaki Koutei (Takei Tsukasa)] Lecia no Naisho Naisho no Chitsujo (Granblue Fantasy)
Honey no Naisho 3
[Nagasaki-inter (Sou Akiko)] Tanetsuke! Pyupyutto! Operation! (Vividred Operation) [Digital]
Jiiji ni wa Naisho ni Shite ne
Akuma Harai | Devil Exorcism
Yurinuki Chimichan
Naisho! Secret
[Musashimaru] Touzen Imouto ni wa Naisho de | Keep It A Secret From My Sister Of Course [English]
(C84) [Sugar*Berry*Syrup (kuroe)] Shinomiya Chef, Nandemo Iu Koto Kikimasu kara Taigaku ni Shinaidekudasai! (Shokugeki no Soma) [Chinese]
[Usi] Otto ni Naisho de Ajimi Shite Ch. 1-11
Kaichou wa Oboetenai!
(SUPER22) [Mukyu's Paradise (Mukyuu)] Naisho no Houkago (Baka to Test to Shoukanjuu)
[Oozora Kaiko] Papa ni wa Naisho no Boshi no Fureai
Rem-rin to Naisho no Oshigoto
(C78) [Human High-light Film (Shiosaba!)] Naisho no Asuka (Neon Genesis Evangelion)
[usi] Otto ni Naisho de Ajimi Shite 2 [Digital]
(C81) [Mama ni wa Naisho (Purukogi Beach)] Fukkin! (King of Fighters)
Naisho no Imouto Ecchi
[Ribyuhki] Hydrog Tranquillity (Bessatsu Comic Unreal Monster Musume Paradise Vol.4) [ENG] [4dawgz + Thetsuuyaku]
[Rokuichi] Ririn-san no Naisho no Kao to Daiji na Oheya (COMIC HOTMILK 2018-07) [Chinese] [無邪気漢化組] [Digital]
Shiori-chan to o Uchi Date!
Shinomiya Kaguya o Goukan Shitai 2
[Kawamura Tsukasa] Naisho ni Shitai Juu no Monogatari [Digital]
(C91) [CHARAN PORAN (Nekono Matatabi)] Naisho no Rehearsal (THE IDOLM@STER CINDERELLA GIRLS)
Osananajimi ga Naisho de Yatteiru SNS o Mite Kofun Shite Shimau Ore!!
[Red Axis] Vividark Opertion (Vividred Operation)
Watashi ni Omakase Kudasai. MAID No Limit
(MILLION FESTIV@L 5) [UPA24 (Various)] MILLION ERO FULL COLOR GOUDOUSI OFFSTAGE 2Ω (THE IDOLM@STER MILLION LIVE!)
(Shota Scratch 25) [Yabure Kabure (Agemon)] Ogibo-san niwa Naisho desu. (Fullmetal Alchemist)
(COMIC1☆7) [bolze. (rit.)] BJ-bu (GJ-bu)
(C88) [brilliant thunder (Yumeno Tanuki)] Oya ni Naisho no Iedex
(C91) [Kitsune (Tachikawa Negoro)] Jiiji ni wa Naisho ni Shite ne (Final Fantasy XV)
Kaguya-sama no Enmusubi | Kaguya-sama’s Matchmaking Charm
(CSP5) [popular plus (Plus)] Boku to Hideyoshi to Naisho no Yorimichi (Baka to Test to Shoukanjuu)
[OkayuShop (Okayu)] Mousou Ero Nikki (GJ-Bu) [English] [Koruchan] [Digital]
[Kuku ya (ckj)] Naisho desu yo? Kald-san (Firis no Atelier)
Naisho no Kagai Jugyou {Hennojin}
[N2jirai (Nimu)] Tsukihi-chan ni wa Naisho de (Nisemonogatari) [Digital]
(CR31) [Studio Wallaby (Various)] Rizell no Naisho (Rizelmine)
(Hanjuku Hero Life 5) [Bakusan (Mariko)] Ikenai Koto wa Naisho de Suru Mono (My Hero Academia)
Night Walker
(COMIC1☆7) [abgrund (Saikawa Yusa)] Aijou Koukan Nikki (GJ-bu)
In Her Place
Oya ni Naisho no Iedex - Toshikoshi-hen
Naisho na Shinomiya-san | The Secretive Shinomiya-san
(CR31) [Studio Wallaby (Deep Purple '72)] Su no Naisho!! -The secret of Su- (Vampiyan Kids)
hukukaicyou no gohousyuu rihure rihure
(C86) [T.K.H.K (Hayami Aya)] Kare to Kanojo no Naisho na Natsu no Hi (Detective Conan)
[Yamamichi] Naisho ni Shimasho | Let's Do It In Secret (COMIC Tenma 2015-06) [English] [desudesu]
(C72) [SimaSima System (Nagisawa You)] Naisho no Hokentaiiku (Cardcaptor Sakura)