[Nanzaki Iku] One and Only (Sweet Little Devil) [English] [Lililicious]
(Reitaisai SP2) [Gessyu (mine)] AdultsOnly (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) [English] [CGrascal]
(C74) [Emode (Sanada Rin)] Kimi Shiru ya Kami no Miwaza (The World God Only Knows)
Mou Kodomo ja nain da yo? | I'm Not a Kid Anymore, You Know?
(C77) [Hibiki (Iganseijin)] Oppachu x Chuppachutte Romanda yo ne (Touhou Project)
Unknown Artist
Mahoutsukai wa Kanjitai
[UNKNOWN(Imizu)]MAGNUM KOISHI -preview-(touhou project)
(C89) [CausCiant (Yamaiso)] NO! NO! KNOWLEDGE! (Touhou Project)
[unknown. (Daishinrin)] SSS (THE iDOLM@STER) [Digital]
(C92) [Digital Accel Works (INAZUMA)] PRETTYUNKNOWN'S BATTLEGROUNDS (Kirakira PreCure a la Mode)
(Pink Kami Only) [ciaociao (Araki Kanao)] SWEET GIRL (Lucky Star) [English] {SMDC}
Unknown Title 01
(C80) [Monaka Udon (Monikano)] Capture Trap ~Patchouli Knowledge~ (Touhou Project)
(C92) [Musashi-dou (Musashino Sekai)] Futa Patche 2 (Touhou Project) [Chinese] [无毒汉化组扶毒分部]
(Kouroumu 9) [Gessyu (Chouzetsu Bishoujo mine)] AdultsOnly2 (Touhou Project) [English] {doujin-moe.us}
Lacus unknown hentai doujinshi
(C92) [Musashi-dou (Musashino Sekai)] Futa Patche 2 (Touhou Project)
(C71) [Paranoia Cat (Fujiwara Shunichi)] Touhou Ukiyo Emaki Patchouli Knowledge (Touhou Project) [English]
はっぴぃまじかる☆ 東方Project
(Shuuki Reitaisai 4) [Fumituki (Fumituki)] Pachu-Koa Change (Touhou Project) [English] [A-Trans]
Unknown 01
(CT25) [Kuromahou Kenkyuujo (wizakun)] Akatsuki-chan niwa Mada Hayai - Too Young to Know for Akatuki (Kantai Collection -KanColle-)
Yon no Go no Itteru Baai Janai
(C84) [Once Only (Nekoi Hikaru)] Hinnyuu Kaihi (Kyoukai Senjou no Horizon)
(Burning ★ Shake! 4) [Beni (Inoue Kiyoshi)] OnlyMyBurningStar2 (Kuroko no Basuke) [English] [biribiri]
[Hoshiai Hilo] Yukueshirezu no Pleiad | Unknown Whereabouts of the Pleiad (Shounen Shikou 7) [English] [Shouta-kun]
(C88) [Highway61 (Glastonbury1966)] The Only Lonely Sanyanist (Strike Witches)
A Relationship with Lewd Boobs Only!
(Reitaisai 15) [Kasou Genjitsu (Hasekura Noise)] Kyousei Ninkatsu Patchouli Knowledge (Touhou Project)
[Dende] 『BISKUITS FIGHTER (Biscuits Fighter) 〜 nerawareta Elf no shoujo 〜”
Gensen
[Pixiv] Unknown (Bakemonogatari)
Patchouli Knowledge Kaihatsu Kiroku
THE Only Lonely Sanyanist
Haring Oracle - Gengoroh Tagame
Unknown 4
The Domintrix Knows her Gundam 3-Futomushi-
(C88) [Nagomiyasan (Suzuki Nago)] Shoujo M
[Unknown] Chika Teien [English] [Anzu]
I Want To Know Her Ch.1?
Boku-tachi ni wa, mada shiranai toko ga aru | There's Still Things We Don't Know
[Saragi (R5)] Hito niwa Ienai | A Word You Mustn't Know [English]
Manya-san to Minea-san to Are Suru Hon | Manya And Minea Doing You-Know-What Book
[Minato Fumi] Boku wa Sono Hito o Yoku Shiranai | I Don't Know Her Well (COMIC ExE 34) [English] [WataTL] [Digital]
[harapekopon (Sayousuke)] Peace Happy (Smile Precure!)
[d.a.p (mougi)] UnknownUltimateChallenge (CROSS x BEATS) [Digital]
Only Birthday
[Teionyakedo (Secco)] Sasameyuki (Boku dake ga Inai Machi) [2016-04]
(C79) [MDO (Yamako)] EXP.04 (The World God Only Knows) [English] =Kibitou4life=
(C89) [Once Only (Momofuki Rio, Nekoi Hikaru)] Shinkai no Musume ga Nikushokukei! (Kantai Collection -KanColle-) [English] [Tigoris Translates]
IkaZuka-san wa Bidou Danishinai
You Can Touch Me, You Know?
UNKNOWN UNLOCK CHALLENGE | 크로스비츠 동인지
No One Will Know [English] [Rewrite] [olddog51]
(C99) [Mukeikaku] Unknown Category (Pokémon Sword and Shield)
(C94) [Ame Usagi (Amedamacon)] CONFITURE (Gochuumon wa Usagi desu ka?)
(C83) [Tokuda (Ueda Yuu)] Mou Iiyo Youjo Kanon-chan Egaku! (Kami Nomi zo Shiru Sekai)
[Unknown (UNKNOWN)] Jouge Kankei
Biribiri Shichau | I Will Do Biribiri
Hotoke no Kao o Shitteiru ka | Do You Know About Buddha's Face?
[Abo Manten] Kyuusho Seme Maniacs Vol. 2 | Weak Spot Maniacs vol.2 [English] [NotSureWhoKnows]
[Unknown (UNKNOWN)] Jounetsu Shindo
Only my wizard Alternate
Niku Elf Shirokuro
(C85) [Once Only (Momofuki Rio)] Majo no Nyuuen (Dragon's Crown) [English] {SMDC-Translations}
The Thorny Path Known as Love 2
[Once Only (Nekoi Hikaru)] Mitsuru in the Zero Two (Darling in the Franxx) [English] [Rotoscopic + Nero] [Digital]
[Tanaka Deciliter] STG (The World God Only Knows)
Jouge Kankei 3 | 上下关系3
(C79) [Tottototomekichi (Tomekichi)] Otoko o Otosu Tsumori ga Gyaku ni Otosarete Shimatta Kami-sama no Hon (The World God Only Knows) [English] =LWB=
Ano Hi Mita Ana no Guai wo Yadomi wa Mada Shiranai. | On That Day We Still Didn't Know The State of That Hole.
Unknown 00
[Momo Ego (Kei Jiei)] Remilia wa XXX o Shiritai no desu (Touhou Project) [Digital]
Only i Know Her Cumming Face Ch. 1 - 11
[Anthology] Cyberia Maniacs Kyousei Haramase Project Vol.1 [Digital]
[Mizore Nabe (Mizore)] Ano~ Watashi-tachi Warui Cosplayer Janai yo | We're Not Bad Cosplayers, You Know (Fate/Grand Order) [English] [Panatical] [Digital]
[Nagare Ippon] Boku no Shiranai Kanojo no Kao - Obscene Face Of Her Whom I Do Not Know [English] [Nemui + Anonygoo-RR]
[Yamano Kitsune] Futari Dake no Himitsu | Our Little Secret (Shounen Ai No Bigaku 16 The Bokura no Ensoku) [English] [alparslan]
Aoharu After School-Extracurricular Class for Only Two People-
I Want To Know Her Ch.10?
Yorozu na Shoujo no Rakugaki-bon 5
(C81) [Gekidoku Shoujo (ke-ta, Hyuuga, Touma Nadare)] SLEEPING MAGE -Mahou no Mori no Nemurihime- Gekidoku Shoujo Publication Number VII (Touhou Project)
Unknown Things
(C94) [Cesium-P (Aka Seiryuu)] Kokoro no Mishiranu Kioku | Kokoro's Unknown Memories (DARLING in the FRANXX) [English] {Doujins.com}
(Reitaisai 8) [Homuraya (Homura Subaru)] AliPatchun! MILK (Touhou Project)
Yatte Minai to Wakaranai | You Won't Know Until You Try
(C81) [Chikutakudoh (Chikugen)] Iza Jinjou ni Shoubu! | Let's Have a Good Clean Fight! (The World God Only Knows) [English] [life4Kaoru]
[774, Unknown] Let's Play with Fairies! [English]
(C86) [Once Only (Momofuki Rio)] Jusei Senkan 2199 (Space Battleship Yamato 2199)
(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=
Kyokon Hunter HIROTO | 巨根猎人HIROTO
(C70) [CHA-CHA GUMI (CHA know-me DO-JI)] Lyrical Joutou! (Mahou Shoujo Lyrical Nanoha)
UNKNOWN
Hypno Rape
Iiko ni Shiteru kara
Mash, The lewd servant
unknown SAO dojin (Sword Art Online)
(SC62) [Haitokukan (Haitokukan)] Touhou Jikan 6 Patchouli Knowledge (Touhou Project)