(Meikasai 12) [Kingyo Origin (Kayama Rim)] Saimin Patchouli (Touhou Project)
(Reitaisai 13) [Iiwake-Gaisya (Shigemiya Kyouhei)] Fuwa Fuwa Patchouli-sama (Touhou Project)
(C85) [Nanmin Festival (Gibuchoko)] Touhou Maid-kun Pero Keikaku Vol. 3 Patchouli & Alice (Touhou Project) [Chinese] [Kanade汉化组]
Atashi shika Shiranai | Only I Know
[unknown. (Daishinrin)] SSS (THE iDOLM@STER) [Digital]
[Emua] Shiritagari Joshi | The Woman Who Wants to Know About Anal [English] [Zero Translations] [Digital]
(C78) [Koutetsuryoku Kikaku (Taishinkokuoh Anton)] ES (The World God Only Knows)
(Reitaisai 15) [Namayake. (Harry)] Watashi no Imouto ni Inmon ga Hatsugen Shita no de Chinko Hayashitara 4-nin ni Fuete Yoru ga Owaranai!! (Touhou Project)
(C49) [Unknown (Various)] Iro Ero Teen
Men's YOUNG 2008-02
[Vanilla and Honey (Sonoda Sae)] Unknown Instinct (Satsuriku no Tenshi) [Digital]
(C82) [YuKi-IRo (Yukiusagi.)] Majokko Patchouli-tan 2 (Touhou Project)
A Dangerous Weapon Known As A School Uniform
Of Course Nobody Knows How Much of a Freak Sensei Is
[Touyoko Surfrider (Fummy)] Boku-tachi ni wa, mada shiranai toko ga aru | There's Still Things We Don't Know [English] {Doujins.com} [Digital]
(C70) [CHA-CHA GUMI (CHA know-me DO-JI)] Lyrical Joutou! (Mahou Shoujo Lyrical Nanoha)
(C93) [CELLULOID-ACME (Chiba Toshirou)] Maybe He'll Know (Kobayashi-san-chi no Maid Dragon) [English] =TLL + mrwayne=
Mada Koi mo Shiranai Gimai no Anaru deno Himegoto | My Step-Sister That Hasn’t Known Love Yet Has an Anal Secret.
Patchouli Knowledge no Hatsujouki
(C90) [Usagi no Oyatsu (Amatsuka China)] Colorful Patchex (Touhou Project) [Chinese] [CE幻想夏结社]
(Renai Jaws 3) [kuromorry (morry)] Nobody Knows Everybody Knows (Free!) [English] [Carrot-Bunny]
(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]
[Takatsuki Noboru] Hanamachi Monogatari Settei Gashuu
Kamikko Bind
(C79) [Senkou Campanella (Haruhina Murasaki)] Shoujo Misshitsu ~Mahou Shoujo Patchouli~ (Touhou Project)
Unknown SaKai DJ
(SC50) [Happy Paranoia, Shikkokuno J.P.S. (Wanashiro Giovanna, Hasumi Elan)] Blind god (The World God Only Knows)
[Aka Shiroki Iro] さわらせてあげる
[Unknown] Chika Teien [English] [Anzu]
[Neko wa Manma ga Utsukushii (Hisasi)] Akuma Nomi zo Shiru Biyaku | The Aphrodisiac Demons Only Know (The World God Only Knows) [English] [kibitou4life]
[Pintsize (TKS, Lunaluku)] Himitsu no OMaid Cafe - Pantsu ni Omorashi Shite Sumimasen... | Secret Nasty Maid Cafe ~I'm sorry for letting it leak into my panties~ [English] [h0hen] [Digital]
[Right away (Sakai Minato)] Koumakan Maid Harem Seikatsu (Touhou Project) [Digital]
UnknownUnlockChallenge
(C92) [Ebibinbintei (Ebi193)] Ikinari! Saiminjutsu (Touhou Project)
[Moketa] Mikan-chan wa H ni Kuwashii | Mikan-chan knows all about sex (COMIC Anthurium 2017-01) [English] [Rotoscopic & Constipat8] [Digital]
[Circle Eden (Diisuke)] Gojiyuu ni Otsukai Kudasai. (Touhou Project) [Digital]
Only i Know Her Cumming Face Ch. 1 - 11
I Want To Know Her Ch.1?
(Shuuki Reitaisai 4) [Alemateorema (Kobayashi Youkoh)] GARIGARI88 (Touhou Project)
[Toppuu Dooro (Mad)] Hito no Mane 1 (Various)
[Mudai Document Kari] Unknown Comic
[Unknown] Caro Mio Ben (Katekyo Hitman Reborn) [English]
Unknow comic
(Reitaisai 15) [Kasou Genjitsu (Hasekura Noise)] Kyousei Ninkatsu Patchouli Knowledge (Touhou Project)
I Want To Know Her Ch.1? [English] [Manhwa PDF]
[Unknown (UNKNOWN)] Jouge Kankei 2
(C89) [EX35 (Kamaboko RED)] Kenkyuujotte Nani Suru Tokoka Shittemasuka? | Do You Know What They Do in a Laboratory? (Bakusou Kyoudai Lets & Go!!) [English] {Shotachan}
[UROBOROS] Unknown Title 1
[Unknown (UNKNOWN)] Shi no Go no Itteru Baai ja Nai 2
[Milele] Diapers and Me (6P) [English]
(C80) [Oboro Hyakuhachishiki (Oborotsuki Kakeru)] Satori to Pet to Shimo no Sewa (Touhou Project)
(FF32) [Sumi (九曜)] I don't know what to title this book, but anyway it's about WA2000 (Girls Frontline) [English]
Pine ni Wakaraseru Hon | A Book About Getting to Know Pine
(COMIC1☆4) [J.O.C e.go!! (Kasuga Souichi)] She.Know.Be (Saki) [English] [Fuyu_natsu]
[Koorogi Comics (Uron)] Patche to Okuu no Choukan Futanari Ikimakuri no Hatsu Sanran (Touhou Project) [Digital]
(C90) [P-POINT (Pikazo)] Teitoku to Kashima no Gomennasai no Houhou | How Kashima and Admiral say sorry to each other (Kantai Collection -KanColle-) [English] [SeekingEyes]
(Reitaisai 14) [Berry!16 (Mori Guruta)] Kusuguri Ijiwaru Patchouli-sama (Touhou Project)
(SC40) [Maruarai (Arai Kazuki)] MOSIMO. (Various)
(Reitaisai 15) [Kuusou Monochrome (Abi)] Migawari no Patchouli (Touhou Project)
(SC34) [Kinbou Sokai (Konmori)] Michi Naru Jouhou Flare o Yume ni Motomete - The Dream Quest of Unknown Data-Flare (The Melancholy of Haruhi Suzumiya)
Saimin Rape Patchouli Knowledge
(C90) [Nyuu Koubou (Nyuu)] Touhou Lucky Sukebe Lv99 (Touhou Project) [Chinese] [后悔的神官个人汉化]
UNKNOWN UNLOCK CHALLENGE | 크로스비츠 동인지
[Mamezou] You Won't Know Until You Try, Chapter 2
[ternotte (noneto)] Mana Only Knows - 2021-nen 01-gatsu Bun
(Reitaisai 9) [Suteuka no Koya (Komone Ushio)] Lady's and Lady's #2 (Touhou Project)
[Tetsuwan Woopie] Unknown (Joushiki ga Eroi Ijou na Sekai Vol.2)
(Shuuki Reitaisai 3) [PONDEMIX (Yukiguni Omaru)] TOHO-MIX -patchouli- (Touhou Project)
Boku wa Kanojo no Namae mo Shiranai | I Don't Even Know Her Name
Young Boy 16 Sexually Knowing
Yogari Sugite Okashiku Narisou 1
Yareru! Patchouli knowledge
Loli Baba Okaa-san wa Oshi ni Yowai 2
(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]
[Studio Parm (Kotobuki Utage)] Anata... Gomennasai 2 Netorare Mama Hen | Darling... I'm Sorry 2 - Netorare Mama (Smile Precure!) [English] {doujin-moe.us} [Digital]
ルナール先生は実験台
(Reitaisai 13) [Nijusei (Various)] Touhou Sakunyuu Goudoushi Demo Gensoukyou no Musume no Sakunyuu nara Chotto Mitai kamo... (Touhou Project)
Gomennasai Mou Shimasen!! | I'm sorry! I won't do it anymore!
(C94) [Cesium-P (Aka Seiryuu)] Kokoro no Mishiranu Kioku | Kokoro's Unknown Memories (DARLING in the FRANXX) [English] {Doujins.com}
(C92) [YuKi-IRo (Yukiusagi.)] Misshitsu Kanbyou (Touhou Project)
Repiruna nante Kakaru Wake Nai ja Nai desu ka | You Know There's No Way I Can Get Hypnotized, Right?
奇譚事件録 人誑の棲家
Unknown 01
(C60) [Unknown (Kumata Katsumi, Sakakibara Bieru)] Hazukicchi Project (Ojamajo Doremi)
Boku-tachi ni wa, mada shiranai toko ga aru | There's Still Things We Don't Know
(C90) [Chocolate Synapse (Shika Yuno)] Uso to Koi to Seppun (Touhou Project)
[Unknown (UNKNOWN)] Jouge Kankei
(COMIC1☆4) [CASMANIA]Syuku! Kami Nomi Anime ka Kettei !! Kinenhon (Kami nomi zo Shiru Sekai)
(Reitaisai 9) [TLE (Fujiyama Takashi)] Aru Shingetsu no Yoru, Patchouli Knowledge wa Jukkaishita. (Touhou Project)
[Raiden Labo (Raiden)] Niku Patche (Touhou Project) [Digital]
大沼信一 - Unknow Coco doujin
[Yashiya (Yassy)] Patche-san no Neteru Aida ni!! | While Patche-san Sleeps (Touhou Project) [English] [Veinfag]
[Konezu] Abnormal Otome Club
[Ariga Tou] - Unknown Girl!? - Complete Ch. 1-3 - (English) [SaHa]
[Unknown (UNKNOWN)] Shi no Go no Itteru Baai ja Nai [English] [Anzu]
Dare mo Shiranai Tsurugi no Otome no Seiseikatsu | Sex life of the maiden of the sword that no one knows
(C83) [KnowMad (Tom)] Sakurasou no Onapet na Kanojo (Sakurasou no Pet na Kanojo)
"UNAGI" [Name unknown]
DO YOU KNOW
Tsukihime unknown Eng
Gensou Enkou -Knowledge-
I KNOW!
Unknown Doujin (miniguy)
[Midori no Rupe] Imako System Ch. 3-9 [English] [maikel + U MAD + unknown]
An Earnest Captive 5 - Hard To Say Im Sorry
(Shuuki Reitaisai 2) [Blossom Sphere (Sakurayu Haru)] knowledge No life. (Touhou Project)
MANA ONLY KNOWS OMNIBUS VOL.1
大沼信一 - Unknow Coco doujin 3
(Reitaisai 14) [Anarchy Gangsta (jude)] Omocha no Do-M Patche-san (Touhou Project)
Kyousei Ninkatsu Patchouli Knowledge
(Reitaisai 11) [Mujitan (Tsumugie)] Oppatchoumerin! (Touhou Project)
(COMIC1☆5) [Tamaranchi (Sinbo Tamaran)] Fall Down (The World God Only Knows)
(C90) [Arearee (arearee)] Manya-san to Minea-san to Are Suru Hon | Manya And Minea Doing You-Know-What Book (Dragon Quest IV) [English] =The Lost Light=
Tobira to Kamen l Doors and Masks
(Reitaisai 14) [662KB (Jyuuji)] Koakuma ga Icha Love no Patchouli Hon (Touhou Project)
[Honey Lounge (Hachimitsu)] Watashi dake no Senpai | Senpai Belongs To Me (Soutaisei Kyodai Shoujo) [English] [DSojourn] [Digital]
Only you know
Darling... I'm Sorry - Netorare Mama
(Shuuki Reitaisai 4) [Alemateorema (Kobayashi Youkoh)] GARIGARI88 (Touhou Project) [Chinese] [脸肿汉化组]
THE WORLD SHE ONLY KNOWS
(C92) [Digital Accel Works (INAZUMA)] PRETTYUNKNOWN'S BATTLEGROUNDS (Kirakira PreCure a la Mode)
(C89) [Candy Pop (Itou Ei)] Muchi Shichu to Shoku Zato Kurocchi Shasei Dake! | Situations of Unknowingly Eating Cum and Crotch Cum Shots! (Dagashi Kashi) [English] [CopyOf]
"Sorry, Kashima has surrendered to my own lust……"
[にゃんころもちもち 秋季例大祭5新刊]本での知識しか無かったパチュリーは知的好奇心を満たすために少年を呼んでセックスの勉強♡
(C76) [10/der (Comoda)] RabiRabi (Umineko no Naku Koro ni) [English] [UnKnOwNk]
[Spa-Francorchamps] unknown (El-Hazard)