[Hengaya] Ultimate Rena 2: The Ocean! Tentacles!? Battle At Sea!!
Costume Play
[Stapspats (Hisui)] Ecchi na Ink o Null ta cool Tentacle (Splatoon 2) [English] [Doujins.com] [Digital]
Immoral
[Anthology] Bessatsu Comic Unreal Monster Musume Paradise Digital Ban Vol. 8 [Digital]
Scyllalla Love Song
(C83) [Akatsuki Katsuie no Circle (Akatsuki Katsuie)] Ika no Oishii Tabekata (Shinryaku! Ika Musume) [English] [N04H]
[Hataraki-Ari] Ushinomiko Gets Pranked by Mutsuki
(COMITIA94) [MU-Keikaku (K2)] Jingai Musume Sanbon. | Monster Girl Third Book [English] [mysterymeat3]
(C79) [Super Flat Lolinitron (Focke Wolf)] Nippon Kanraku 2010 (Shinryaku! Ika Musume)
[Kiai Neko] Surume | Dried Squid (Yogore) [English] [Kuraudo]
[Horitomo] Imouto wa Sukyura-tsu Musume | My Younger Sister Is A Scylla (COMIC Unreal 2012-06 Vol. 37) [English] =TV= [Decensored] [Digital]
Stiletto no Kigurumi Satsueikai | Stiletto Costume Tournament
Kurage Musume-chan no Amaama Aigan Kouhai Nikki
(Utahime Teien 12) [SeaFox (Kirisaki Byakko)] Tako Mika | Octo Mika (THE IDOLM@STER CINDERELLA GIRLS) [English] =Dark Mac + CW=
[Shijima (Kisen)] -Pentagon- (Shinryaku! Ika Musume) [English] {/u/ scanlations} [Digital]
(SC42) [PASTEL WING (Kisaragi-MIC)] COSTUME PARFAIT APRICOT (Clannad)
Unreal Syndrome ~ Hi Genjitsu Otome Aikou Shoukougun ~ ch,1-5 ,,and
YURI IKA - Lemon Tea & Milk Tea R-18
32 Sai Yokkyuufuman no Hitozuma
A Beautiful Greed Z-ton Jingai Soushuuhen
Ika no Gohan
(C88) [Mothman (Henreader)] Costume♥Present
Appli de Hentai - Kawaii Osananajimi o Monster Musume ni Shiyou
(C88) [Dogear (Inumimi Moeta)] Kimi Iro Ni Somare Sekai | The World Dyed In Your Colors (Splatoon) [English] [TL Anon]
[PASTEL WING (Kisaragi-MIC)] Costume ALaMode ~Marmalade Kiss~ (Little Busters!) [Digital]
Pranking the Working Nurse Ch.11/?
(C85) [Wechselhaft (Kima-gray)] Haruna-san no Costume Daikansou (Kantai Collection -KanColle-)
(C93) [Hitsuji Drill (Ponpon Itai)] Hime-chan Hitorijime (Splatoon)
[Tendo Masae] Ochita Mesubuta-tachi - Ch.1-10 [English] {doujins.com}
(C90) [Hamehame Service Area (Cr-R)] Hikigaya Hachiman no Houshi Katsudou Kiroku -Costume Play Hen- (Yahari Ore no Seishun Love Come wa Machigatteiru.) [Chinese] [一不小心就接手了瑞树组的镶字活的刷牙子汉化]
[Nyx] Wakeari Ishou wa Shokushu Yoroi!? | The damaged costume is a tentacle armor!? (Kairaku Ryoujoku Syndrome) [English] [desudesu] [Digital]
[Falcon115] Ero Hitozuma wa Sentou de Maseta Erogaki ni Moteasobareru | Happy Cuckold Husband 3: Sexy Wife Gets Pranked By A Pervy Brat in the Public Bath [English] [CopyOf]
[Setouchi Pharm (Setouchi)] Futanari Jingai ni Kawareta Ore | 被扶她買下的我 [Chinese] [沒有漢化] [Digital]
Tako Mika
[Tendo Masae] Ochita Mesubuta-tachi - Fallen Bitches [English] {doujins.com}
[AHOBAKA] Hito de Nashi no Kanojo [Chinese]
Ishuzoku to Dekiru Shoukan -Scylla-san Hen- | Interspecies Brothel ~Miss Scylla's Chapter~
[Agata] JK Itazura Daigyakutententen ~Nee-chan no Skirt Mekutte Doutei Soushitsu~ | The Prank Comeback Highschool Mama (COMIC Ananga Ranga Vol. 29) [English] [Shippoyasha]
[Eromame] IKATAKO Yuri - The Encounter [English]
(C79) [Aneko no Techo (Koume Keito)] Ika Musumeshi (Shinryaku! Ika Musume) [English] =Pineapples r' Us=
[Mokkouyou Bond] Shiseikatsu | A Private Life (Costume Fetish) [English] [Humpty]
(C87) [Tanukine (Nekoro Tanuki)] Scylla Hospital! [English] [thetsuuyaku]
[Triangle! (Maple, Yami Satori)] Kurage Musume-chan no Amaama Aigan Kouhai Nikki [Digital]
[Syumatsusyorijou (Nemunemu)] Wrestling no Costume
[Ahobaka] Shiborarete Shimerarete | Tie Me and Squeeze Me (Girls forM Vol. 05) [English] [MintVoid]
Girls forM Vol.05
[Chapedizo (Aruse Yuuji)] Shokushu Tenshi Angela [English] [Tigoris Translates] [Digital]
Himitsu No o Mise No Okutopasuhorudo
Without Love
Hikigaya Hachiman no Houshi Katsudou Kiroku ―Costume Play Hen―
[Yuugai Tosho Kikaku (Tanaka Naburu)] Ryoujoku! Kusai Ika Musume (Shinryaku! Ika Musume)
(C88) [Sakurai Dai Energy (Sakurai Energy)] Hero Kikiippatsu | Hero by a Hair's Breadth (Splatoon) [English] {5 a.m.}
(C88) [FREAKS (Mike)] Shiokara DRUG (Splatoon) [Sample]
[Horitomo] Unreal Syndrome ~ Hi Genjitsu Otome Aikou Shoukougun ~ [Digital]
Uzaki-chan's prank on sleeping Senpai
(SC15) [Digital Lover (Nakajima Yuka)] Seifuku Rakuen 9 - Costume Paradise; Trial 09 (Hajimete No Orusuban)
[URAKON (Kon-Kit)] The Prank Night (Neon Genesis Evangelion) [English] =LWB= [Digital]
You haven't implemented this costume yet, have you?
(C79) [Hearts & Crusts (Nanana Nana)] Ryoujoku! Ika Musume (Shinryaku! Ika Musume)
Bokudakeno Mukougawa
Pranking the Working Nurse Ch.7/?
(C87) [SlapStickStrike (Stealth Changing Line)] Watashi no Koibito o Shoukai Shimasu! EX2 Preview Ban
[G2 (Shiga Sumito)] Heavy Gauge (Sengoku Basara) [Digital]
Echidna-sama no Himatsubushi
(C87) [SlapStickStrike (Stealth Changing Line)] Watashi no Koibito o Shoukai Shimasu! EX2 [Chinese] [无毒汉化组]
[Sabi Wasabi] Nuresoboru Takotsubo (COMIC Unreal 2015-10 Vol. 57} [English] {Hennojin}
C96 Omake Hon
[Hayake] Mai-chan to Sentou | Bath-House Bonding With Mai-chan (COMIC LO 2021-01) [English] {Mistvern} [Digital]
[enmuhaze (Yosuke)] Ika no Gohan (Splatoon) [Digital]
[Shiromitsu Daiya] Dokidoki Costume Play (Koushoku Shounen Vol. 10) [Chinese] [瑞树汉化组]
Saishu Bouei Line
A maid costume that turns the wearer into a girl? It's suspicious...
[Onomeshin] KosuPuru! | PuruPuru Costume (COMIC Megastore 2010-06) [English] {doujin-moe.us}
[PASTEL WING (Kisaragi-MIC)] Costume ALaMode 3 ~ Sweet Sweets Kiss ~ (Rewrite) [Digital]
[Horitomo] Let's Clione Fitness! (COMIC Unreal 2015-12 Vol. 58) [English] {Hennojin}
[ts-complex2nd (Asagiri)] Katta Kigurumi | Purchased Costume [English]
(C82) [Sherbetsoft (Kisaragi Myau)] Costume x Angels (Seifuku Tenshi)
(C88) [Dogear (Inumimi Moeta)] Kimi Iro Ni Somare Sekai (Splatoon)
(C56) [Digital Lover (Nakajima Yuka)] Seifuku Rakuen 1 - Costume Paradise; Trial 01 (Love Hina)
[Ikuya Daikokudou] Onaho to Omocha to Costume
[Yume Kirei] Costume play collection
[Tendo Masae] Ochita Mesubuta-tachi - Ch.1-2 [English] {doujins.com}
(C83) [Akatsuki Katsuie no Circle (Akatsuki Katsuie)] Ika no Oishii Tabekata (Shinryaku! Ika Musume)