[Hanamaki Kaeru] Boku dake ga Shiranai Dekigoto. | The Things I Don't Know. (Otokonoko HEAVEN Vol. 26) [English] {Hennojin} [Digital]
[Unknown (UNKNOWN)] Shi no Go no Itteru Baai ja Nai [English] [Anzu]
COMIC X-EROS #59 [Digital]
大沼信一 - Unknow Coco doujin
[Cior (Ken-1)] Kanojo ga Boku no Shiranai Tokoro de――2 | What My Girlfriend Does That I Don't Know About 2 [English] {Doujins.com} [Digital]
(SC62) [Haitokukan (Haitokukan)] Touhou Jikan 6 Patchouli Knowledge (Touhou Project)
Touhou Ukiyo Emaki Patchouli Knowledge
Jouge Kankei ZERO | 上下关系 ZERO
(Reitaisai 15) [Kedama Gyuunyuu (Tamano Kedama)] Patchouli Sensei ga Oshiete Kureru (Touhou Project) [Chinese] [脸肿汉化组]
Patchouli Knowledge Kaihatsu Kiroku II
[Gesugao no Heya (Kukuru)] Patchouli-sama ga Futotte Sakunyuu Sareru Hon | Patchouli-sama gets fat and milky (Touhou Project) [English] [Digital]
[Kousaka Donten] Okami-chan to Asobou! (COMIC X-EROS #43) [Chinese] [朔夜汉化]
[Unknown (UNKNOWN)] Jouge Kankei 3
Ano~ Watashi-tachi Warui Cosplayer Janai yo | We're Not Bad Cosplayers, You Know
I KNOW!
(C88) [make pig press (Takasaka Donten)] Majime de Sunao na Honto no Miku to H Shitai!! (THE IDOLM@STER CINDERELLA GIRLS)
(Reitaisai14) [Kuusou Monochrome (Abi)] Sasimin Patche (Touhou Project) [Chinese] [CE家族社]
(C90) [make pig press (Takasaka Donten)] Triad H Kurabe (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [黄记汉化组]
MANA ONLY KNOWS OMNIBUS VOL. 2
(C75) [ciaociao (Araki Kanao)] Kami mo Shira Nai Sekai (Kami nomi zo Shiru Sekai) [English]
Soul Calibur Unknown Doujinshi
(Reitaisai 13) [Setoran (Itou Seto, Tanno Ran)] Hikikomorikei Mahoutsukai dakedo Chanto Ganbaru! (Touhou Project)
(Reitaisai 15) [Kedama Gyuunyuu (Tamano Kedama)] Patchouli Sensei ga Oshiete Kureru (Touhou Project) [Chinese] [無邪気漢化組]
[Milele] Diapers and Me (6P) [English]
Unknown Doujin
MANA ONLY KNOWS OMNIBUS VOL. 1
[DonDonTei] Puri Puri DON DON!! Ippaime "Boin dayo!! Zenin Shuugou!!" [Digital]
[Miito Shido] LUSTFUL BERRY ~Ore no Shiranai Basho de, Akegata Made Moteasobareta Kanojo~ | LUSTFUL BERRY OVERNIGHT GAME ~In a place I didn't know, She is being fucked until dawn morning~ [English] [shakuganexa and Mitsuru] [Digital]
(Reitaisai 13) [Katame Koime Oome (Pepe)] Patche-sensei no Anal Kakuchou Kouza ~Nigenme~ | Patchy-Sensei's Anal Expansion Class ~Second Lesson~ (Touhou Project) [English] [ATF]
Imouto Nomi zo Shiru Sekai 2 | The World My Little Sister Only Knows 2
Iraira ga Tomaranai
(SC49) [Kyougetsutei (Miyashita Miki)] Citron Ribbon 27 (The World God Only Knows) [English] {Ehcove}
(Renai Jaws 4) [zatta (tomose)] Kimi wa Shiranai - You never Know (Free!)
[Gensou Stomach (Taku)] Kenzoku no Gyakushuu [Digital]
MINI DOUJIN DRAGON BALL UNKNOW DODORIAN
(Reitaisai 10) [Shironegiya (miya9)] Donten Library (Touhou Project) [Incomplete]
CANDY TIME 1995-10
[Kono Donto] Dorei Senshi Maya I
(C92) [Yukikagerou (KANZUME)] Bitch Witch in the Beach (Touhou Project)
[Jyan] Ushuu kara no Sei Shinryaku
(Reitaisai 12) [Crea-Holic (Toshihiro)] Patchou to Hoken Taiiku Ganbaru Hon (Touhou Project)
(C75) [emode (Sanada Rin)] Kami Shiru (Kami nomi zo Shiru Sekai)
(C76) [Black List (Hiura R)] Kami-sama no iutoori (The World God Only Knows) [Chinese] [残碑日月个人汉化]
(C91) [Setoran (Itou Seto, Tanno Ran)] Hikikomori-kei Mahou Tsukai no Pakopako Dosukebe Satsuei Mendan (Touhou Project)
Patchouli Knowledge Kaihatsu Kiroku
(Reitaisai 10) [Suteuka no Koya (Komone Ushio)] Lady's and Lady's #3 (Touhou Project)
(C89) [Fukutsuu Okosu (Kaiou)] Kyonyuu Chara to Kashita Patchouli no Ero Hon (Touhou Project)
(C84) [Ishimura-ya (Ishimura)] Matowaritsuki (Touhou Project)
(Kouroumu 10) [Otona no Marushiki (Maru Sun, nf4)] Marushiki Koumakyou Patchouli & Koakuma (Touhou Project)
[Henreader] Onnanoko Party.
(C79) [Rotary Engine (Kannazuki Motofumi)] Sukima no nai Sekai (The World God Only Knows)
(Shuuki Reitaisai 4) [Sukiyaki Club (Kouji)] Yakimochi Patchouli (Touhou Project)
(C90) [Circle Eden (Diisuke)] Gojiyuu ni Otsukai Kudasai. (Touhou Project)
(C91) [NOSEBLEED (Miyamoto Issa)] Itoshi no Onii-sama Lilim's Gaiden [Decensored]
(C90) [Itou Life] Kaga-san no Jimunuki Seikatsu + Itou Life Soushuuhen 2013~2015 (Kantai Collection -KanColle-, Touhou Project)
COMIC Unreal 2015-08 Vol. 56
(C83) [Kamikadou (Ginyou Haru)] Gensoukyou Rakuenka Keikaku 07 (Touhou Project) [English] [desudesu]
Patchouli Knowledge no Hatsujouki
I know you want
Shiritagari Joshi | The Woman Who Wants to Know About Anal Ch. 1-4
[Unknown] Chika Teien | Underground Garden [English]
Senpai, to.
Tobira to Kamen l Doors and Masks
(SUPER22) [Tetsu-Sabi (Huduki Roa)] Kimi no Shiranai Boku no Koto | Things you don’t know about me (Neon Genesis Evangelion) [English] [Memoritite]
(Shuuki Reitaisai 4) [Yukikagerou (KANZUME)] Ghostrick Parade!! (Touhou Project)
(C89) [make pig press (Takasaka Donten)] Kanzaki Ranko wa Koyoi mo Hitori de... (THE IDOLM@STER CINDERELLA GIRLS) [English]
[Unknown (Unknown)] Taiiku Kyoushi 2 ~Bokura no Kagai Jugyou~
She.Know.Be
(Shuuki Reitaisai 2) [Blossom Sphere (Sakurayu Haru)] knowledge No life. (Touhou Project)
[Takasaka Donten] Onna Buchou wa Sentan Kagaku ni Kussuru ka (COMIC X-EROS #48) [Chinese] [嗶咔嗶咔漢化組] [Digital]
[Jitsuma] Mother Condom (Kinyoubi no Haha-tachi e) [English] [Laruffii]
(Katte Kogarete Honki no Koi) [Usagi Travel (Dontakosu)] Uwasa no Koibito wa Maid-san (Boku no Hero Academia)
Chōkyō kurabu
(C80) [Pikopikotei (Inoue Mitan)] Lover Code (The World God Only Knows)
Jouge Kankei
Cheers Ch30 - I Dont Want To Lose
[Johnny] Nyuushiki Love Knowledge ~Kimochi Iikoto Oshiemasu~ | Nyuushiki Love Knowledge ~I'll Teach You Something Nice~ Ch. 1-3 [English] [AntaresNL667]
REVERSE EMBLEM
(C85) [Fukutsuu Okosu (Kaiou)] Saimin Rape Patchouli Knowledge (Touhou Project) [English] [Gorem]
(C92) [Sugzmo Taisha (Aoshima Sangou)] Taichou-san, Mitete... Kuremasu ka? (Schoolgirl Strikers)
PRETTY UNKNOWN'S BATTLEGROUNDS