(Puniket 17) [Puchi-ya (Hoshino Fuuta)] Futari no Himitsu no Hyouryuugokko | Our Secret "Uninhabited Island" Game (Puchi Pure) (Ojamajo Doremi) [English] [Kurichan]
(C79) [Evork Festa (Drain, Inoue Nanaki)] Chijo-nee to! Himitsu no Hara Hara Seikatsu | Living With my Whorish Cousin Our Secret Sex Life [English] {doujin-moe.us}
[Kouchaya (Ootsuka Kotora)] Secret Love 2 (Maoyuu Maou Yuusha) [English] {doujin-moe.us} [Digital]
[U.R.C (Momoya Show-Neko)] Saayacchao! (Hugtto! PreCure) [English] {HMC Translation}
Ningyoran Shuukaku | Mermaid Roe Harvest
(C96) [Hachiouji Kaipan Totsugeki Kiheitai (Makita Yoshiharu)] Himitsu no Elf-chan | Secret Elf-chan [English] [EHCOVE]
(C88) [Yamada Ichizoku. (Fukurokouji, Mokyu)] Seidorei Senki (Go! Princess PreCure) [English] {doujins.com}
(C71) [Secret Society M (Kitahara Aki)] ZEON Lost War Chronicles Hishokan Hen (Mobile Suit Gundam: Lost War Chronicles)
(C86) [L-CAT., Ohiyakudasai! (Nariko, Teba)] SECRET PINK (Free!) [English] [Carrot-Bunny]
(C67) [Studio Wallaby (Takana Yu-ki)] SECRET FILE NEXT 11 - Fate is capricious (Fate/stay night) [English] [CGrascal]
Kasshoku Mermaid | Tanned Mermaid
(C84) [Secret Society M (Kitahara Aki)] Inyoku no Kan 365 | Lust Battleship 365 (Space Battleship Yamato 2199) [English] {doujin-moe.us}
[Horie Tankei] Haha no Himitsu | Secret of Mother Ch. 1-6 [English]
(C92) [Arsenothelus (Rebis)] Midare Saki Ningyo Hime (Midare Saki Joshuu Kaizoku Soushuuhen) (One Piece) [English]
[LUCK&PLUCK! (Amanomiya Haruka)] Himitsu/Gentei Issatsu. | Secret One & Only (Ah! My Goddess, You're Under Arrest) [English]
[Studio Kyawn (Murakami Masaki, Sakaki Shigeru)] VOICE in the DARK (Mermaid Melody Pichi Pichi Pitch)
[Tsukigami Hiroshi] Himitsu no Jikan - Il nostro segreto. | Secret Time - Our Secret (Futanarikko High!) [English]
[secretgarden (Miyamura)] Funwari Yawaraka Oowakizashi (Touken Ranbu) [Digital]
[Babymaker (Beco)] Naisho no Kozukuri 2 | Secret Lovechild 2 [English] [MintVoid]
(C83) [Nejimaki Kougen (Kirisawa Tokito)] Sharuru no Himitsu | Chales's Secret (D.C.III ~Da Capo III~) [English] {Hennojin}
[Morizoh] Be My Last (Drive) (Valkyrie Drive: Mermaid) [English] [/u/ scanlations]
Hisoka ni Akogareteru Senpai no Himitsu | The Secret of the Senpai I Secretly Admire
(C72) [Secret Society M (Kitahara Aki)] Utahime no Shouzou 4 (Dead or Alive)
(COMIC1☆8) [Secret Society M (Kitahara Aki)] ZEON Lost War Chronicles - Gaiden no Daigyakushuu (Mobile Suit Gundam: Lost War Chronicles)
(C88) [Count2.4 (Nishi)] Secret Live After side:MAYU (THE IDOLM@STER CINDERELLA GIRLS) [English] {doujins.com}
(COMIC1☆6) [Hybrid Jimushitsu (Muronaga Chaashuu)] Hybrid Tsuushin Vol. 10 (One Piece, Queen's Blade) [English] [maipantsu]
[Emua] The Infirmary Teacher's Secret (COMIC MILF Vol.3 2011-08) [English] [desudesu]
Texas×Exusiai - English
[Chuuka Naruto] Reijou Maiko ~Kyuuke no Hien~ | Daughter Maiko Old Family Secret Banquet Ch. 3 [English] [Jellyboy]
(C95) [Secret Society M (Kitahara Aki)] Shoutai Bare no Nikubenki w Kikenbi NN de Zettai Haramasemasu(^^) (Bishoujo Senshi Sailor Moon) [Chinese] [無邪気漢化組]
Giga mermaid
[Hinemosu Notari] Secret of your heart (Read Me!) [English] [Beyond Kawaii]
[Etigoya (tau)] Anoko no Kokan no Himitsu | The Secret of the Crotch of that Girl [English] [desudesu] [Digital]
[Tanabe Kyou] Himitsu no Hikawa-san | The Secret Hikawa-san (COMIC Megastore Alpha 2015-05) [English] {5 a.m.}
[Yamano Kitsune] Futari Dake no Himitsu | Our Little Secret (Shounen Ai No Bigaku 16 The Bokura no Ensoku) [English] [alparslan]
[Tomomimi Shimon] Bitch Bitch ♥ Mermaid | Naughty Horny Mermaid! (COMIC Tenma 2010-08) [English] {desudesu}
(C93) [ParadiseGom (Gorgonzola)] Naisho no Ohime-sama | The Princess' Secret (Dragon Quest XI) [English] =TLL + mrwayne=
SECRET MERMAID
Nagisa no Mermaid | Mermaid on the Shore
[FEI] Sensei no Himitsu Jugyou | Sensei's Secret Lesson Ch. 1-7 [English] [Lazarus H]
(C47) [Secret Society M (Kitahara Aki)] Gesshoku (Darkstalkers)
[Nemutai Neko] Yuusha no Yomeiri ~Maou Tanjou Hiwa~ | The Hero's Wedding ~The secret story of the demon lord's conception~ [English] [ChoriScans] [Digital]
[Ronno & Kalus (Takada Bambi)] Hermaphrodite 2 (Fullmetal Alchemist) [English] [Secret Garden]
[Azuki Kurenai] Mermaid no You ni - like a mermaid [English]
(C58) [Secret Society M (Kitahara Aki)] Utahime no shouzou (Dead or Alive) [English] [Fated Circle]
[Rocket Monkey] Marumi no Naisyo ❤ | Marumi's Secret (COMIC HOTMILK 2014-03) [English]
(C87) [Pucchu (Echigawa Ryuuka)] Konoha no Secret Service - Konoha's Secret Service (Naruto) [English] [Doujin-Moe]
(C91) [Purimomo (Goyac)] Himegoto Flowers 11 | Secret Flowers 11 (YuruYuri) [English] [Yuri-ism]
Your Wife's Secret Face -Your Yuki-
[Rokuichi] Ririn-san no Naisho no Kao to Daiji na Oheya | Ririn-san's Secret Expression and Her Precious Room (COMIC HOTMILK 2018-07) [English] [Stupid Beast] [Digital]
Fallen Hero Drakosm II-Prequel of Drakosm(English)
[Tiba-Santi] Dungeon Travelers - Haruka no Himegoto | Dungeon Travelers - Haruka's Secret (ToHeart2 Dungeon Travelers) [English] {Mant} [Digital]
[Sakurai Minami, Umemaru] Himitsu no Shakespeare | Secret Shakespeare (Ao Yuri ~Story Of Club Activities~) [English] [yuriproject]
[Yanagawa Rio] Kunoichi Ninpouden Inga Seiai Ougi | The Way of Kunoichi: Secret Erotic Techniques of Inga (COMIC Masyo 2007-03) [English] [shinkage]
How to take care of a tomboy mermaid
[Muchiuchi (Muchi)] Naisho no Hero | Secret Hero (Osomatsu-san) [English]
[50on! (Aiue Oka)] SECRET ENGAGE (Go! Princess PreCure) [Digital]
(C88) [Secret Society M (Kitahara Aki)] Venus ga Oji-san ni Camera Mesen de Makuwararete Mawasaremashita. (Bishoujo Senshi Sailor Moon) [Chinese] [无毒汉化组]