[Hiratsura Masaru] Sennyuu Sousakan Erika | Sneaking Investigator Erika (COMIC SIGMA 2008-03 Vol. 17) [English] [SaHa]
(COMIC1☆13) [DOLL PLAY (Kurosu Gatari)] Grotta no Shouki (Dragon Quest XI)
Sudden Shock! Female Investigator Asuka
Mayoiga no Onee-san Sono 8
Federal Anti-Groping Investigator Captured - The Trapped Officer
Mushoku!
Crime Scene Investigation - Takeshi Matsu (Bara)
Atlantis Investigation
[ReDrop] Undercover Investigator Atsuko Saejima [English] =LWB=
Ojosama mo honki dasu
Omodume BOX 49
Inspector Mizuki 2.0: The Bitch Who Fell To Modification Training
osawariheaven
(C75) [Shallot Coco (Yukiyanagi)] Yukiyanagi no Hon 18 Chun-Li Keiji no Oppai Sousa | Detective Chun-Li's Boobie Investigation (Street Fighter) [English] [Hentai from Hell]
[OHKOSHI Koutarou] - Detective Investigating Bizarre Case (Ryouki Keiji MARUSAI) - [ENGLISH]
Bishoujo Psychicer Daidasshutsu!
Gyaru Hakase no Himitsu Kenkyuu | Gyaru Professor’s Secret Investigation
Saimin Shihai ~Rias no H na Torishirabe~ | Hypnosis Control ~Rias's Ecchi Investigation~
[Saimin! Pikatto House (Tetsuya, Routa)] Saimin Shihai [Sumi] ~Rias no H na Torishirabe~ | Hypnosis Control ~Rias's Ecchi Investigation~ (Highschool DxD)
Shotaiken Eris Ano Mama H ga Tomaranakatta 8-wa
Crime Scene Investigation - Takeshi Matzu
TYPE-63a
Busty Married Woman Investigator Yuka
Detective Chun-Li Boobie Investigation
Shippai! Otori Sousa | Failure! Investigation Bait
Elf no Koeda
[Umari-ya (D-2)] Mushoku! (Aka) | Mushoku! (Red) (Mushoku Tensei ~Isekai Ittara Honki Dasu~) [English] [Saki-Kotowari] [Digital]
Kodoku no ie
Ganyu-chan's investigation gone horn
奈羅花さんといっしょ編
Yuuutsu na Hitozuma
(SC2016 Autumn) [King Revolver (Kikuta Kouji)] Tokyo Draph Mura (Granblue Fantasy)
変態ファミリーゲーム【単行本版】
CLUB DE INVESTIGACIÓN CIENTÍFICA
Nakayoshi Onna Boukensha wa Yoru ni Naru to Yadoya de Mechakucha Ecchi Suru | 好朋友的女冒險者們 一到夜晚就在旅館裡一直做個不停
[kupala] Jakume Torareru Chikan Sousakan -The Trapped Officer- | Federal Anti-Groping Investigator Captured - The Trapped Officer [English] {doujin-moe.us} [Digital]
Water Type Inter-Species Girl's Tentacle Investigation
[Yamamoto Zenzen] S-ken K-shi Shakaijin Joshi Volleyball Circle no Jijou Ch. 13 (COMIC Kuriberon DUMA 2021-12 Vol. 31) [Chinese] [转尾巴猫汉化]
Bogo to Nick no Yarisugi Sousa | The investigation of Bogo and Nick
Eris to Suru Nyan
[Sakaki Naomoto] Tokumei Chikan Otori Sousahan | Special Molester Decoy Investigation Squad Ch. 1-3 [English] {Doujins.com}
mari hokan-keikaku
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 2
[Umari-ya (D-2)] Mushoku! (Ao) | Mushoku! (Blue) (Mushoku Tensei ~Isekai Ittara Honki Dasu~) [English] [Saki-Kotowari]
[Almarosso] Manbiki G-men to SEX suru | Having Sex with the Loss Prevention Investigator [English] [desudesu]
[Nakami Yoshikage] Taima Sousakan Sanae ~Shokushu Ingyaku~ | Demon Investigator Sanae (Rider Suit Heroine Anthology Comics 2) [English] [SaHa]
Uwasa Saguri Zenpen | Rumor Investigation - Part One
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 1
Galaxy Investigation Agent Eira
[Sawada Daisuke] Hitoduma Tantei no Chinkenpo | Married Investigator's Chinkenpo (COMIC Shingeki 2011-01) [English] [SaHa]
[Sakaki Naomoto] Tokumei Chikan Otori Sousahan | Special Molester Decoy Investigation Squad Ch. 1-6 [English] {Doujins.com}
The Kamoshida Investigation
[Umari-ya (D-2)] Mushoku! (Midori) | Mushoku! (Green) (Mushoku Tensei ~Isekai Ittara Honki Dasu~) [English] [Saki-Kotowari]
[Zarigani Arms] Aloerosy (Muhyo and Roji's Bureau of Supernatural Investigation)
Nandemo Chousa Mama Shizue | The All-Around Investigator Momma, Shizue
[Sakaki Naomoto] Tokumei Chikan Otori Sousahan Ch.1 | Special Molester Decoy Investigation Squad Ch.1 [English] {Doujins.com}
Yarou yo! Bitch Gal Futari to Namahame Doukyo Seikatsu
Yumi Mono Gatari
TS Detective Niizuma Hiromi Investigate the missing college student case!
Goblin Prison Investigative Report
[Nakami Yoshikage] "Sudden Shock! Female Investigator Asuka"
[Ankoman] Muzan Sousakan ~Ryouka & Akari~ | Misery Investigators ~ Ryouka & Akari ~ (Seigi no Heroine Kangoku File Vol. 10) [English] [stnkmnsd] [Digital]
常識改変活動記録 #10. 肉便器のつかいかた
Mahou Tokusou Greedia4 - Magical Investigator Greedia Final
(C72) [Kaiten Sommelier (13.)] 20 Kaiten Shiritsu Risshin Gakuen Gijutsu Kenkyuukai ~Zenritsusen Massage to Koumon Aibu.
Dorei Ogre no Ningen Shakai Kengaku | A Slave Ogre Visits Human Society
Yume no Owari
セックスしたらめっちゃ病んだ
Makyou no Yu | Demon Maddening Spring
[Toba Yuga] Furin Ryokou ~Miyabi~ | Immorality Travels ~Miyabi~ (ANGEL Club 2021-10) [English] [Project Valvrein] [Digital]
Tokumei Chikan Otori Sousahan | Special Molester Decoy Investigation Squad Ch. 1-3
Chichi Katajikena Sousakan | Shameless Breast Investigator
[Sakaki Naomoto] Tokumei Chikan Otori Sousahan | Special Molester Decoy Investigation Squad [English] {Doujins.com}
Mado Captuer
[Namita] Committee Chairman, Didn't You Just Masturbate In the Bathroom? I Can See the Number of Times People Orgasm (Ch.1 - 25)[English](Ongoing)
[Saikoro Steak] Josousakan Saeko | The Woman Investigator Saeko
Uwasa Saguri Kouhen | Rumor Investigation - Part Two
Tokumu Mayaku Sousakan Linda | Special Narcotics Investigator Linda
(COMIC1☆12) [Kurimomo (Tsukako)] Himitsu no Takarabako (Granblue Fantasy)
Decoy Investigator Kyouka: Cosplay Party Infiltration
Busty Married Wife Infiltrates Investigator·Aya
初体験エリス あのままHが止まらなかった8話
Shousa, Otori Sousa o Suru | Group Molester Decoy Investigation
Closed investigation journal
mushoku!
Fellatio Kenkyuubu | Departamento de Investigación de las Felaciones Ch. 1
[Tokisana] Undercover Investigator Suzu (English)
むしょく!
[Yoru no Oto] Woman Investigator K - Mayaku Sousa Hen | Woman Investigator K - Narcotics Investigation (Slave Heroines Vol. 9) [English] {doujin-moe.us}
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination
[Kuruma Ebi] Chousa File H - Investigation File
Gakkou Shitei
男ギライの百合カップルにチンポが生えたら。
[Saimin! Pikatto House (Tetsuya, Routa)] Saimin Shihai [Sumi] ~Rias no H na Torishirabe~ | Hypnosis Control ~Rias's Ecchi Investigation~ (Highschool DxD) [English] (Trinity Translations Team)