(C84) [Angel Bless (Tsukiji)] Kore wa Ze-ttai ni Naisho desu kara ne! (Touhou Project)
(Sougetsusai 05) [Naisho No Usagi Koya (Tawawaringo)] Jaku Usagi Monogatari
(C72) [Seinansei ni Kagayakeru Hoshi (Morino Papiko)] Ragnarok Yawa Level.10 (Ragnarok Online)
PaPiPon!
(SC26) [PLUM (Kisaragi Kanna)] Naisho! (Sukatto Golf Pangya)
[YASRIN-DO (Yasu Rintarou)] Papa no Iu koto Nante Kikimasen! 2 (Papa no Iu koto wo Kikinasai!) [English] [ydwtt] [Digital]
[Papiko Hiura] Boshi-Kan [English] [HQ] [Tonigobe]
[Rokuichi] Ririn-san no Naisho no Kao to Daiji na Oheya (COMIC HOTMILK 2018-07) [Chinese] [無邪気漢化組] [Digital]
(C86) [Oshinobee (Yamada Papiko)] Wakatte yaritai keredo (Free!) [English] [ichigo-day]
(C91) [Yuraraka Koubou (Paper)] Charlotte Life (Shironeko Project)
Mifune-san to Ippai Kiss o Shite Naisho no
I sekai tensei shita saki de pātīmenbā zen'in to naisho de etchi shi teru nīto
[Sennen Teikoku (Mitsui Jun)] Docking Papa (Cooking Papa) [English] {Shotachan} [Decensored]
Naisho Nano! -Haruhara-ke Sanshimai Monogatari- 3
[Sennen Teikoku (Mitsui Jun)] Bocking Papa Zenpen (Cooking Papa) [English] {Shotachan}
(SC31) [P-Forest (Hozumi Takashi)] Otome no Naisho Tomoe-chan to Iroiro... (Mai-Otome)
[TIES (Takei Ooki)] Mahou Shoujo no Naisho no Oshigoto (Puella Magi Madoka Magica) [English]
(C88) [Akuten Soushin (Kokutou Nikke)] Tenryuu Onee-chan to Naisho no Yasen Enshuu!! (Kantai Collection -KanColle-)
(CR25) [Studio Wallaby (Kokuden Kadotake, Niiruma Kenji, Deep Purple '72)] Purikura no Naisho (Princess Crown)
(C92) [Tenrake Chaya (Ahru.)] Matsurinoyoru no Naisho (Kantai Collection -KanColle-)
(COMIC1☆5) [Shimoyakedou (Ouma Tokiichi)] Naisho no Mahou (Puella Magi Madoka Magica)
Papa ni wa Naisho yo?
(SC2017 Winter) [TwinBox (Hanahanamaki, Sousouman)] Kouen no Naisho na Koto (Kantai Collection -KanColle-)
[Coffee Maker (Asamine Tel)] Naisho desu yo (Fate/Grand Order) [Digital]
[Abura Katabura (Papipurin)] Dorei Oujo Athena (Athena) [English] [rookie84]
(SUPER24) [CACHE-CACHE (Nanjou Papiko)] Order Maid! (Free!)
[Ponsuke] Naisho no Kaihou (COMIC LO 2017-12) [Chinese] [腥海社] [Digital]
[Ponsuke] Naisho no Kaihou | Secret Nursing (COMIC LO 2017-12) [English] [dame ningen]
[Sangatsu Usagi] Naisho no Teatime - The Secret Teatime
(Renai Jiyuugata! entry6) [SAKEPAPA (Ooki)] You look great (Free!) [English] [Carrot-Bunny]
[Anthology] H na Kanojo to Naisho no Shutter Chance [Digital]
(Kouroumu 6) [04U (Misasagi Task)] Anoko nya Naisho (Touhou Project) [English] [CGrascal]
[Fuusen Club] Naisho no Ehon
Naisho no Ayanami
(C93) [ParadiseGom (Gorgonzola)] Naisho no Ohime-sama (Dragon Quest XI) [Chinese] [最愛大屁屁x漢化組漢化組]
(Senka no Toki) [Syupa! (makiron)] Naisho no Uchiban | 祕密的內番 (Touken Ranbu) [Chinese] [月下鹤吟汉化组]
[Aichi Shiho] Okaa-san ni wa Naisho (Otokonoko HEAVEN Vol. 25 DMM Tokubetsu Ban) [English] {Shotachan} [Digital]
Yome no Otouto x Waka Papa
Naisho no hanashi
(Reitaisai 15) [Green tea Lab (midarin)] Aya-chan no Naisho no Micchaku Shuzai (Touhou Project)
(C69) [White Strawberry Paper (Moki)] SUKISUKI SOON! (Onegai My Melody) [English] [Traditore]
[Sennen Teikoku (Mitsui Jun)] Bocking Papa Kouhen (Cooking Papa) [Decensored]
Lecia no Naisho Naisho no Chitsujo
Dogs Connection2 Boku Wa Inu De O Nesan No Papa Tomo Tsunagatte Mashi Ta
(C78) [Mama ni wa Naisho (Purukogi Beach)] Exquisite Chocolate (Dragon Quest IV)
(COMIC1☆6) [Clesta (Cle Masahiro)] CL-orz 22 (Papa no Iu Koto wo Kikinasai!) [English] [desudesu + Doujin-Moe.us]
(C88) [Akuten Soushin (Kokutou Nikke)] Tenryuu Onee-chan to Naisho no Yasen Enshuu!! (Kantai Collection -KanColle-) [Chinese] [BW个人汉化]
(C92) [Macaron*Sketch (Yukatama)] Naisho no Cappuccino (Gochuumon wa Usagi desu ka?)
Naisho no Honey 2
(SC54) [Mugenkidou A (Tomose Shunsaku)] Mugenkidou Bon! Vol.5 (Papa no Iu Koto o Kikinasai!)
(C88) [Nachtzug (eko)] Ofuro de Naisho (Kantai Collection -KanColle-) [Chinese] [哲学狗汉化组]
[Garakuta Shoujo (Miito Shido)] Kanojo wa Chou Yuumei Geinoujin... Soshite Boku ni Naisho de AV Joyuu Satomi-Satona Gojitsudan 3
Isekai Tensei Shita Saki de Party Member Zenin to Naisho de Ecchi Shiteru Neet
[Naisho (Mirai Shounen)] Jouyoku manin densha ★ Sensei... Okashite... (Full color version)
(C89) [SAKEPAPA (Ooki)] Wagaya no Nyanko-sama (Free!)
Naisho no Cute Boy
Futari de Naisho no Ohanashi
Motto Shitai Joshidaisei ga Kare ni Naisho no Kankei ni Hamacchau Ohanashi
Naisho no Enkou Challenge | 不可告人的援交挑战
(C86) [Papamilk (Aogen Genda)] Chicchai Seigi wo Tsume Konda Hon - Ojisan Hen
[blue killer (Doku Denpa)] Naisho no Yodare Sex [Digital]
(C89) [Jagabata (Oimo)] Naisho no Futarikiri (PriPara)
(C78) [Human High-light Film (Shiosaba!)] Naisho no Asuka (Neon Genesis Evangelion)