[Unknown (UNKNOWN)] Katei Kyoshi
[GN (Girl's Number)] Seishun Island
[Aomizuan (Shimantogawa)] Geneki Joshidaisei to, Iyarashii Donkatsu | Indecent Win With A Female College Student (PlayerUnknown's Battlegrounds) [English] [sirpiers]
(C79) [MeroMero Melon (Ou, Peke)] Kamisama no Hentai Play Nikkichou 2 | Kamisama's Hentai Play Diary 2 (The World God Only Knows) [English] [life4Kaoru]
Jouge Kankei 6
(C93) [Armament Calcium (Take Calcium)] Majo Kyousei Chijo (Touhou Project)
[Anthology] Ougon no Sonata XXX Vol.1 [Digital]
(C79) [ciaociao (Araki Kanao)] Kami-sama Kurashi (The World God Only Knows) [English] [kibitou4life]
[Akane Sora] Baka da ne, Shitteru yo. | I Know, You Idiot [English]
(C80) [Penpengusa Club (Katase Minami)] Nijigen wa Ai de Ugoiteru | The Second Dimension Moves by Love (The World God Only Knows) [English] [life4Kaoru]
Shiritagari Joshi | The Woman Who Wants to Know About Anal Ch. 1-8
(C76) [10/der (Comoda)] RabiRabi (Umineko no Naku Koro ni) [English] [UnKnOwNk]
Iraira ga Tomaranai
(C79) [Tottototomekichi (Tomekichi)] Otoko o Otosu Tsumori ga Gyaku ni Otosarete Shimatta Kami-sama no Hon (The World God Only Knows) [English] =LWB=
[Iwasaki Yuuki] Shiranai Kanshoku | Unknown Feel (Etsuran Kinshi) [English] [menospeaknihongo]
(C79) [MDO (Yamako)] EXP.04 (The World God Only Knows) [English] =Kibitou4life=
[Unknown (UNKNOWN)] Jouge Kankei 3
(Utahime Teien 10) [DogStyle (Menea the Dog)] No one knows the back side of the Moon (THE IDOLM@STER CINDERELLA GIRLS)
[Unknown (UNKNOWN)] Ani Uri [Chinese] [同文城]
(Shuuki Reitaisai 4) [Sukiyaki Club (Kouji)] Yakimochi Patchouli (Touhou Project)
(C80) [Monaka Udon (Monikano)] Capture Trap ~Patchouli Knowledge~ (Touhou Project)
Dengeki Moeoh 2017-08 [Digital]
[Hochidonmai (Donburako)] Kids Know-It-All-Know-It-All-Know-Who-Go-Na-Na-Kid-Stream ★ ★
(Reitaisai 14) [Berry!16 (Mori Guruta)] Kusuguri Ijiwaru Patchouli-sama (Touhou Project)
(C82) [Tokuda (Ueda Yuu)] Kami Oshi!!! (The World God Only Knows)
(Shuuki Reitaisai 4) [Nyuu Koubou (Nyuu)] Totsuzen Gekiiki Patchouli-sama (Touhou Project) [English] [SMDC] [Incomplete]
Unknown 4
COMIC Penguin Club Sanzokuban 2017-01 [Digital]
[Kono Donto] Dorei Senshi Maya / Slave Warrior Maya Vol.3
(C75) [Nameco-Soup (Name Runao)] Garlic Koumakan Mega Black Label "Watashi to Marisa by Patchouli Knowledge" (Touhou Project)
(Shuuki Reitaisai 4) [Alemateorema (Kobayashi Youkoh)] GARIGARI88 (Touhou Project)
(C86) [Sweet Avenue (Kaduchi, Takasaka Donten, Omegane)] CHOCOLATE SHOP (THE IDOLM@STER CINDERELLA GIRLS)
[Gensou Stomach (Taku)] Patchouli no Boa Trap Dungeon 2 (Touhou Project) [Digital]
(C88) [make pig press (Takasaka Donten)] Majime de Sunao na Honto no Miku to H Shitai!! (THE IDOLM@STER CINDERELLA GIRLS)
Sensei, Watashi Shitte masu yo. | Sensei, I know.
Teach Me LOVE That I Don't Know
Shizu-chan no Himitsu o Shichatta!? | I Know Shizu-chan's Secret!?
(C79) [Senkou Campanella (Haruhina Murasaki)] Shoujo Misshitsu ~Mahou Shoujo Patchouli~ (Touhou Project)
[Kono Donto] Dorei Senshi Maya / Slave Warrior Maya Vol.1
Kemomo Gakuen Tsuushin | 케모노 학원 통신
[Unknown (UNKNOWN)] Yogari Sugite Okashiku Narisou 1
The Domintrix Knows her Gundam 3-Futomushi-
[Gensou Stomach (Taku)] Cell Nomi ~Yorozu Genre x Cell Shippo Marunomi Only Fanbook~ (Various) [Digital]
[Maybe] Mankai Otome CH.6[English][Unknown Translator] (Decensored)
Repiruna nante Kakaru Wake Nai ja Nai desu ka | You Know There's No Way I Can Get Hypnotized, Right?
[Kyoten Heichou] Daraku Ninpu Tsuma 2 [ENG]
Kare wa Naze Watashi no `Are' o Shitte Iru Nodarou
(C93) [YuKi-IRo (Yukiusagi.)] Patchu Hame! (Touhou Project) [Chinese] [花火汉化组]
Ano Hi Mita Ana no Guai wo Yadomi wa Mada Shiranai. | On That Day We Still Didn't Know The State of That Hole.
[d.a.p (mougi)] Unknown Unlock Challenge (CROSS x BEATS) [Chinese] [这很恶堕汉化组] [Digital]
Boku-tachi ni wa, mada shiranai toko ga aru | There's Still Things We Don't Know
Yogari Sugite Okashiku Narisou 4
Formidable ga Shiritai no wa... | Formidable Wants to Know...
I don't know what to title this book, but anyway it's about WA2000
Yatte Minai to Wakaranai | You Won't Know Until You Try
Only You Know
(C70) [ORANGE☆SOFT (Aru Ra Une)] Seifuku To Iu Na no Kyouki | A Dangerous Weapon Known as A School Uniform (Bleach) [English] {doujin-moe.us}
(C76) [VENOM (Alto Seneka, Rusty Soul)] Devil the Ecstasy (The World God Only Knows)
(SC34) [Kinbou Sokai (Konmori)] Michi Naru Jouhou Flare o Yume ni Motomete - The Dream Quest of Unknown Data-Flare (The Melancholy of Haruhi Suzumiya) [English] [CGrascal]
(C75) [Avion Village F (Fechi)] Higashifure IN CASE OF PATCHOULI KNOWLEDGE (Touhou Project)
Unknown Doujin (miniguy)
(C91) [Setoran (Itou Seto, Tanno Ran)] Hikikomori-kei Mahou Tsukai no Pakopako Dosukebe Satsuei Mendan (Touhou Project)
[Shiromitsu Daiya] Kaikann Kitty Hole (Koushoku Shounen Vol. 07) [Chinese] [夜願漢化] [Digital]
(COMIC1☆5) [Bottomress Pit (Bonzakashi)] Mizo Chiru (The World God Only Knows) [English] {Hennojin}
(C70) [CHA-CHA GUMI (CHA know-me DO-JI)] Lyrical Joutou! (Mahou Shoujo Lyrical Nanoha)
Patchouli Knowledge no Hatsujouki
[Nagare Ippon] Boku no Shiranai Kanojo no Kao - Obscene Face Of Her Whom I Do Not Know [English] [Nemui + Anonygoo-RR]
Arumi-san Dontokoi!
[Abo Manten] Kyuusho Seme Maniacs Vol. 2 | Weak Spot Maniacs vol.2 [English] [NotSureWhoKnows]
Yareru! Patchouli knowledge
Show Know Be!!
(C91) [YuKi-IRo (Yukiusagi.)] Patchou Milk (Touhou Project) [Chinese] [无毒汉化组]
[Final Fantasy XII] Unknown (Yuri)
Yon no Go no Itteru Baai Janai
(C90) [Kedama Gyuunyuu (Tamano Kedama)] Karakuchi Patchouli-sama | Scathing Patchouli-sama (Touhou Project) [English] [Danicco]
A Dangerous Weapon Known As A School Uniform
[Honey Lounge (Hachimitsu)] Watashi dake no Senpai | Senpai Belongs To Me (Soutaisei Kyodai Shoujo) [English] [DSojourn] [Digital]
(C84) [Roubai-tei (atahuta)] LAST SHOT (Strike Witches) [English] [NotSureWhoKnows]
[Konohanaya (gozz)] sign 4.0 [Digital]
(C83) [UNKNOWN (Imizu)] MAGNUM KOISHI -COMPLETE- (Touhou Project)
[Toruneko] Souda Imouto to Renshuu Shiyou. | I Know, I'll Practice With my Little Sister. (Anoko to Iikoto) [English] {5 a.m.}
(C75) [Hellabunna (Iruma Kamiri)] Kami no Shiranai Sekai (The World God Only Knows)
Kamikko Bind
(C80) [kaibido (mokei)] Pachunii no Himitsu (Touhou Project) [Chinese] [靴下汉化组]
[Konezu] Abnormal Otome Club
(C93) [CELLULOID-ACME (Chiba Toshirou)] Maybe He'll Know (Kobayashi-san-chi no Maid Dragon) [English] =TLL + mrwayne=
(C81) [Oracle Eggs (Suihi)] FANCY3 (Kami nomi zo Shiru Sekai [The World God Only Knows])
(C82) [YuKi-IRo (Yukiusagi.)] Majokko Patchouli-tan 2 (Touhou Project)
(C85) [Fukutsuu Okosu (Kaiou)] Saimin Rape Patchouli Knowledge (Touhou Project)
The Thorny Path Known as Love 2