Jiiji ni wa Naisho ni Shite ne
(COMIC1☆4) [TRIP SPIDER (niwacho)] Naisho no Omamagoto (Fate/Hollow Ataraxia) [English] [desudesu]
(Kouroumu 6) [04U (Misasagi Task)] Anoko nya Naisho (Touhou Project)
Kareshi ni Naisho de...
Naisho no Kagai Jugyou Nyuumonhen
Rem-rin to Naisho no Oshigoto
[Anthology] MoeStar BEAST Vol.3 [Digital]
(Geinoujin wa Card ga Inochi! 4) [Colomonyu (Eromame)] Naisho no Nail (Aikatsu!) [2nd Edition]
Hitozuma Senshi Naisho no Part-Time
[NIGHT FUCKERS (Mitsugi)] Nanao no Naisho [Digital]
[2B (MANA-KO)] Naisho no Haruna-chan (To LOVE-Ru) [Digital]
[Dorachefu] Naisho no Zupohame Shinkon Life (ANGEL Club 2018-11) [Digital]
(C84) [ROMEO DASH (Kitto Shibaru)] Naisho desuyo, Reimu-san! (Touhou Project)
[Kaitou Yuuhi] Naisho no Oshigoto (Otokonoko HEAVEN Vol. 24) [English] [mysterymeat3]
[Yamamichi] Naisho ni Shimasho | Let's Do It In Secret (COMIC Tenma 2015-06) [English] [desudesu]
[fourthcape (Misaki Takahiro)] Sena to Naisho no Houkago (Boku wa Tomodachi ga Sukunai) [Digital]
Anoko ni Naisho no Uchiawase
Naisho no Ouma-san Gokko | Secret Horse Play
[Rakko] Papa ni wa Naisho! | Keep It A Secret From Daddy! (Murikuri) [English] [desudesu]
(SC2017 Winter) [TwinBox (Hanahanamaki, Sousouman)] Kouen no Naisho na Koto (Kantai Collection -KanColle-) [Chinese] [花火汉化组]
(Shota Scratch 25) [Yabure Kabure (Agemon)] Ogibo-san niwa Naisho desu. (Fullmetal Alchemist)
Mama ni wa Naisho
Ore to Anta no Naishogoto
[Hasemi box (Hasemi Ryo)] Futari to Shota no Naisho Graffiti (Koufuku Graffiti)
Hikki ni wa "Naisho!" no Houshi Katsudou
[Fujiyama] Naishogoto [Digital]
[Balpanther] Naisho no Undoukai (Puella Magi Madoka☆Magica)
(C91) [Utaneya (Shion)] Naisho no Djeeta Onee-chan (Granblue Fantasy)
[MoonRevenge (Miyuma Subaru)] Futari no Naisho