Elf no Koeda
Mayoiga no Onee-san Sono 8
[Saimin! Pikatto House (Tetsuya, Routa)] Saimin Shihai [Sumi] ~Rias no H na Torishirabe~ | Hypnosis Control ~Rias's Ecchi Investigation~ (Highschool DxD)
奈羅花さんといっしょ編
Decoy Investigator Kyouka: Cosplay Party Infiltration
Bloomers Reincarnation You can go to another world!
Ojosama mo honki dasu
绝密训练
[ReDrop] Undercover Investigator Atsuko Saejima [English] =LWB=
吾妻と汗だックス
Mina Ishihara, e Investigation Division (english)
Crime Scene Investigation - Takeshi Matsu (Bara)
Mahou Tokusou Greedia3 - Magical Investigator Greedia3
Inspector Mizuki 2.0: The Bitch Who Fell To Modification Training
Busty Married Woman Investigator Yuka
Super de Hitozuma ni Innen Tsukete? | Investigating a Married Woman on Shoplifting Charges
osawariheaven
Galaxy Investigation Agent Eira
[Saikoro Steak] Josousakan Saeko | The Woman Investigator Saeko
Gyaru Hakase no Himitsu Kenkyuu | Gyaru Professor’s Secret Investigation
seXenogears
Crime Scene Investigation - Takeshi Matzu
[QUDA] Undercover Drug Investigator Monica & Jita
Eris to Suru Nyan
[Sakaki Naomoto] Tokumei Chikan Otori Sousahan Ch.1 | Special Molester Decoy Investigation Squad Ch.1 [English] {Doujins.com}
Closed investigation journal
[Umari-ya (D-2)] Mushoku! (Aka) | Mushoku! (Red) (Mushoku Tensei ~Isekai Ittara Honki Dasu~) [English] [Saki-Kotowari] [Digital]
Tokumei Chikan Otori Sousahan | Special Molester Decoy Investigation Squad Ch. 1-3
Water Type Inter-Species Girl's Tentacle Investigation
怪しいマッサージ店行ったら姪っ子が来た
Girls & Kyousei Panpan
Shippai! Otori Sousa | Failure! Investigation Bait
常識改変活動記録 #10. 肉便器のつかいかた
SECRET LOVERS ~MINASHIKA WORKS OFFICIAL EDITION~
[Umari-ya (D-2)] Mushoku! (Midori) | Mushoku! (Green) (Mushoku Tensei ~Isekai Ittara Honki Dasu~) [English] [Saki-Kotowari]
[OHKOSHI Koutarou] - Detective Investigating Bizarre Case (Ryouki Keiji MARUSAI) - [ENGLISH]
Nyotaika Sousa sarechimatta | Gender Bender Investigation
TS Detective Niizuma Hiromi Investigate the missing college student case!
[Matsuyama Hayate, Hitotsuki Katagiri] Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination
Makyou no Yu | Demon Maddening Spring
Shotaiken Eris Ano Mama H ga Tomaranakatta 8-wa
Crystal Universe
mushoku!
Saimin Shihai ~Rias no H na Torishirabe~ | Hypnosis Control ~Rias's Ecchi Investigation~
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 2
Detective Chun-Li Boobie Investigation
[kupala] Jakume Torareru Chikan Sousakan -The Trapped Officer- | Federal Anti-Groping Investigator Captured - The Trapped Officer [English] {doujin-moe.us} [Digital]
[Tokisana] Undercover Investigator Suzu (English)
Mushoku!
[Chuuka Naruto] Onna Sousakan Choukyou Rensa | Woman Investigator Training Link [English] [SaHa]
Busty Married Wife Infiltrates Investigator·Aya
変態ファミリーゲーム【単行本版】
Sudden Shock! Female Investigator Asuka
Tokumu Mayaku Sousakan Linda | Special Narcotics Investigator Linda
Taima Sousakan Ayano (Demon Investigator Ayano) [ENG]
Fellatio Kenkyuubu | Departamento de Investigación de las Felaciones Ch. 1