Hazukashii Chibusa Chapter 4: Sibling Union
[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)
(C89) [Mofu Shippo Lab (Subaru.)] Kyoudai de Tomodachi de Koibito na Boku to Neko | Siblings, Friends, Lovers: My life with a cat (Touhou Project) [English] [ATF]
Hypnosis Control ~Rias's Ecchi Investigation~
Crime Scene Investigation - Takeshi Matzu
More than Siblings - Less than Lovers
The Roasted Empire 2-the Investigation
Two Siblings' Fela Pure - Chapter 5
[eltole] Busty Married Wife Infiltrates Investigator·Aya (ANGEL Club 2018-06) [Chinese]
[Kleitos (Ryunosuke)] Fukushuu no Elf Lieselotte 2 ~Futanari Kaizou de Boshi Sennou Les Rape!~ | Vengeful Elf Liselotte 2 The Futanari Transformation and Sibling Lesbian Violation [English] {2d-market.com} [Decensored] [Digital]
Sick SIblings [English] [Rewrite] [EZ Rewriter]
[Namanama Shandy Gaff (nf4)] Atlantis Investigation (Amelia Watson, Gawr Gura) [Digital] [English]
(C86) [Imitation Moon (Narumi Yuu)] Gamer Kyoudai ga Sex wo Oboeta You desu | It Seems that the Gamer Siblings Picked up Sex (No Game No Life) [English] [The Chrysanthemum Translations]
Kyoudai no Kyoukaisen | The Siblings' Ley Line {Hennojin}
Mahou Tokusou Greedia4 - Magical Investigator Greedia Final
[Sakaki Naomoto] Tokumei Chikan Otori Sousahan | Special Molester Decoy Investigation Squad Ch. 1-3 [English] {Doujins.com}
[ratatatat74] Closed investigation journal (League of Legends) [English]
CLUB DE INVESTIGACIÓN CIENTÍFICA
Nyotaika Sousa sarechimatta | Gender Bender Investigation
siblings
[Sakaki Naomoto] Tokumei Chikan Otori Sousahan | Special Molester Decoy Investigation Squad Ch. 1-2 [English] {Doujins.com}
[Kloah] Chichi Katajikena Sousakan | Shameless Breast Investigator (COMIC Anthurium 013 2014-05) [English] {Pluto}
Kyoudai de Enmusubi | We're Siblings but Let's Get Married
[Sawada Daisuke] Hitoduma Tantei no Chinkenpo | Married Investigator's Chinkenpo (COMIC Shingeki 2011-01) [English] [SaHa]
[Misaoka] Kyoudai Nakayoku | Intimate Step-siblings (NyuNyu Wave) [English] [InsanePraetor]
Super de Hitozuma ni Innen Tsukete? | Investigating a Married Woman on Shoplifting Charges
[Hindenburg] Kyoudai Ai | Sibling love [English] [SaHa]
[ratatatat74] Closed investigation journal (League of Legends) [English] [colored]
Bijin Kensatsukan Hamerare Chijoku Sousa | Beautiful Prosecutor's Framing and Rape Investigation
[Oogoshi Koutarou] Ryouki Keiji Marusai - detective investigating bizarre case;MARUSAI -