[ratatatat74] Closed investigation journal (League of Legends) [English] [colored]
[Matsuyama Hayate, Hitotsuki Katagiri] Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination
[OHKOSHI Koutarou] - Detective Investigating Bizarre Case (Ryouki Keiji MARUSAI) - [ENGLISH]
[Sabaku] Namaiki Harumi-chan | Cheeky Harumi-chan (Ore wa Kuzu dakara koso Sukuwareru Kenri ga Aru!) [English] [LoliAce] [Decensored] [Digital]
Kuro Buta
Saimin hāremu-tsukuri 5
The Roasted Empire 2-the Investigation
[Saikoro Steak] Josousakan Saeko | The Woman Investigator Saeko
[KUSARI (Aoi Mikku)] Ryoujoku Rensa 02 (Ichigo 100%)
[Yoshino (Kikuduki Taro)] Nagori no Koku [Digital]
[CRAFT (Kiliu)] Nandemo Chousa Mama Shizue-san | The All-Around Investigator Momma Shizue-san [English] [The Chrysanthemum Translations] [Digital]
[Kloah] Chichi Katajikena Sousakan | Shameless Breast Investigator (COMIC Anthurium 013 2014-05) [English] {Pluto}
[Raw]TS Detective Niizuma Hiromi Investigate the missing college student case!
Decoy Investigator Kyouka: Cosplay Party Infiltration
(C93) [Manmanya (Titiduki)] Hoshii mama ni. (Fate/Grand Order) [Chinese] [沒有漢化]
[Satou Toshio] Watashi datte hisshi de iku no gaman shitandayo...
[Chuuka Naruto] Onna Sousakan Choukyou Rensa | Woman Investigator Training Link [English] [SaHa]
[ratatatat74] Closed investigation journal (League of Legends) [English]
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 2
[Ankoman] Muzan Sousakan ~Ryouka & Akari~ | Misery Investigators ~ Ryouka & Akari ~ (Seigi no Heroine Kangoku File Vol. 10) [English] [stnkmnsd] [Digital]
[Jet Yowatari] Tokumu Mayaku Sousakan Linda | Special Narcotics Investigator Linda (Sennyuu Sousakan Anthology Comics) [English] {doujin-moe.us}
[Manabe Jouji] Kanojo de Ippai 3
[Nakami Yoshikage] Taima Sousakan Sanae ~Shokushu Ingyaku~ | Demon Investigator Sanae (Rider Suit Heroine Anthology Comics 2) [English] [SaHa]
Taima Sousakan Ayano (Demon Investigator Ayano) [ENG]
[Oogoshi Koutarou] Ryouki Keiji Marusai - detective investigating bizarre case;MARUSAI -
Atlantis Investigation
[M's Works (M)] Puberty Boys Returns 2nd [English]
Tokumei Chikan Otori Sousahan Ch.1 | Special Molester Decoy Investigation Squad Ch.1
[Sakaki Naomoto] Tokumei Chikan Otori Sousahan | Special Molester Decoy Investigation Squad Ch. 1-6 [English] {Doujins.com}
Sexy Undercover Investigation! Don't spread it too much! Lewd TS Physical Examination Part 1
[Sakaki Naomoto] Tokumei Chikan Otori Sousahan | Special Molester Decoy Investigation Squad Ch. 1-3 [English] {Doujins.com}
[Sakaki Naomoto] Tokumei Chikan Otori Sousahan | Special Molester Decoy Investigation Squad Ch. 1-2 [English] {Doujins.com}
Undercover Drug Investigator Monica & Jita