(Koakuma ni Love Song o) [Kokatsubatake (Amekosame)] LoveDomi! (1) ~Love Domination~ (Touhou Project)
[Gensou Stomach (Taku)] Cell Nomi ~Yorozu Genre x Cell Shippo Marunomi Only Fanbook~ (Various) [Digital]
[Koorogi Comics (Uron)] Patche to Okuu no Choukan Futanari Ikimakuri no Hatsu Sanran (Touhou Project) [Digital]
[PLATONiCA (Nyorubee)] Futanari Onee-san ni Wakarasareta Otokonoko | A Trap Gets To Know His Futanari Onee-chan [English] {Doujins.com}
Atashi shika Shiranai | Only I Know
(COMITIA116) [Otaku Beam (Ootsuka Mahiro)] Stay by Me Zenjitsutan Fragile S - Stay by me "Prequel" [Fragile・S] [English] [GununuFapAgency]
(C90) [YuKi-IRo (Yukiusagi.)] Himegoto Toshokan (Touhou Project)
(Reitaisai 15) [Kuusou Monochrome (Abi)] Migawari no Patchouli (Touhou Project)
I don't know
(Renai Jaws 3) [kuromorry (morry)] Nobody Knows Everybody Knows (Free!) [Chinese]
[Unknown] Chika Teien | Underground Garden [English]
[ternotte (noneto)] MANA ONLY KNOWS OMNIBUS VOL. 2 [English]
UNKNOWN
Boku wa Sono Hito o Yoku Shiranai | I Don't Know Her Well
(C70) [Orange Soft (Aru Ra Une)] Seifuku to iu Na no Kyouki | A Dangerous Weapon Known as A School Uniform (Bleach) [English] {doujin-moe.com} [Decensored]
(C91) [Setoran (Itou Seto, Tanno Ran)] Hikikomori-kei Mahou Tsukai no Pakopako Dosukebe Satsuei Mendan (Touhou Project)
Formidable ga Shiritai no wa... | Formidable Wants to Know...
(CT18) [Oracle Eggs (suihi)] Konnano Hajimete Nandakara! (Kami nomi zo Shiru Sekai)
[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]
(C80) [Gensou Hack (Zephi)] Patchouli Kairaku Massage (Touhou Project)
(C89) [Takemasaya (Takemasa Takeshi)] Kanzaki Ranko Hitou Meguri | Kanzaki Ranko's Visit to a Little Known Hot Spring (THE iDOLM@STER CINDERELLA GIRLS) [English] [B.E.C. Scans]
[Yosutebito na Mangakaki (Tomoki Tomonori)] Shoujo to Mamono to Kairaku to Mahouseki. (Touhou Project) [English] {Mant} [Digital]
(C80) [Tottototomekichi (Tomekichi)] Kami-sama o Chikan (Kami nomi zo Shiru Sekai) [Chinese] [瑞树汉化组]
(C86) [CassiS (RIOKO)]You Know You Know Me(Lightning Returns: Final Fantasy XIII)[Chinese]
(Reitaisai 15) [Kasou Genjitsu (Hasekura Noise)] Kyousei Ninkatsu Patchouli Knowledge (Touhou Project)
Kokoro no Mishiranu Kioku | Kokoro's Unknown Memories
(C93) [Chocolate Synapse (Shika Yuno)] Ecchi na Patchouli wa Osuki desu ka? (Touhou Project) [Chinese] [绅士仓库汉化]
[Igumox] Momose wa Shiru | Momose Knows (Muramata-san no Himitsu) [English] [Clog]
I Want To Know Her Ch.20?
[Are na Circle (b)] Nee-sama nomi zo Shiru Sekai (Kami nomi zo Shiru Sekai) [Digital]
[Unknown (UNKNOWN)] Shi no Go no Itteru Baai ja Nai [English] [Anzu]
(C88) [Kamikadou (Ginyou Haru)] Gensoukyou Rakuenka Keikaku Soushuuhen Ni (Touhou Project)
(Reitaisai 10) [Nagiyamasugi (Nagiyama)] Touhou Ryoujoku 27 (Touhou Project) [English] [desudesu]
[ternotte (noneto)] MANA ONLY KNOWS OMNIBUS VOL. 1 [English]
(Shuuki Reitaisai 4) [Nyuu Koubou (Nyuu)] Totsuzen Gekiiki Patchouli-sama | Suddenly Patchouli-sama Violently Came (Touhou Project) [English] [Doujins.com]
(C92) [Kedama Gyuunyuu (Tamano Kedama)] Majyo no Watashi ga Saimin Nanka ni Kakaru Wakenai desho (Touhou Project) [Chinese] [CE家族社]
[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]
Patchouli Knowledge Kaihatsu Kiroku
(Reitaisai 15) [@mousse (Yukisiro Arte)] Tsuntsun Shita Patchouli-sama o Deresasetai!! | Turning The TsunTsun Patchouli-sama Into A Dere! (Touhou Project) [English] {Doujins.com}
Oji-sama Shittemasu ka? | Do you know your uncle?
(Reitaisai 13) [Sarpaccio (Waira)] Mahou no Byururu. (Touhou Project)
MINI DOUJIN DRAGON BALL UNKNOW DODORIAN
[Right away (Sakai Minato)] Patch Life (Touhou Project) [Chinese] [靴下汉化组] [Digital]
(Kouroumu 13) [Gensou Stomach (Taku)] Patchouli-sama no Marunomare Panic! ~Koakuma ya Bakemono ni Hitasura Marunomi ni Sareru Manga~ (Touhou Project)
[Circle Eden (Diisuke)] Dopyu! Marugoto Ninshin Shojyo darake no Konyoku Onsen (Touhou Project) [English] {doujins.com} [Digital]
Touhou Jikan 6 Patchouli Knowledge
[Guillotine Mozzarella (Gokuraku Jouko)] Witch's H oneH (Touhou Project) [Digital]
[Musashi-dou (Musashino Sekai)] Futa Patche (Touhou Project) [Chinese] [无毒汉化组扶毒分部] [Digital]
[Unknown (UNKNOWN)] Katei Kyoushi [Chinese] [同文城]
[Akane Sora] Baka da ne, Shitteru yo. | I Know, You Idiot [English]
Show Know Be!!
[C.Meiko] Shiranai Koto | Unknown Things (COMIC Megastore Alpha 2014-07) [English] [Brolen]
Princess is Seeking Unknown
(Kouroumu 14) [Nanmin Festival (Gibuchoko)] Patchouli-sama wa Shokushu Sommelier! (Touhou Project)
[Kosuke Haruhito] Chichikuri Kyousoukyoku ~Docchi mo Iiyone~ | Tryst Concerto ~They're Both Good, You Know~ (COMIC Anthurium 2021-10) [English] {brolen} [Digital]
(Reitaisai 12) [Satellites (Satetsu)] Patchou Ona (Touhou Project)
(Reitaisai 4) [Tarakospa (lond, Takahero)] RemiFlaPatche! (Touhou Project)
Imouto Nomi zo Shiru Sekai 2 | The World My Little Sister Only Knows 2
(C87) [Binmalo (Beti)] Patchouli no Wanwan Cos-change! (Touhou Project)
I don't know what to title this book, but anyway it's about WA2000
(C89) [Fukutsuu Okosu (Kaiou)] Kyonyuu Chara to Kashita Patchouli no Ero Hon (Touhou Project) [English] [H-Konbini]
Kyousei Ninkatsu Patchouli Knowledge
(C84) [Depression (Kirieppa)] Yamikin Patchouli-kun ~Patchouli-kun~ (Touhou Project) [Chinese] [黑条汉化]
[Gensou Stomach (Various)] Touhou Marunomiroku Shinuchi (Touhou Project) [Digital]
[Natsume Benkei] Nichijou-teki ni Okaa-san ni Dasu Seikatsu - Otou-san ni Naisho no Nakadashi Ecchi Hen | Cumming In Mom Daily Dad Doesn't Know We're Having Creampie Sex [English]
[Chikachika (Tarao Tarako)] Watashi to Omae no Tokonatsu-kyuu | 我和你的常夏级 [Chinese] [黑夜汉化组] [Digital]
(Keikaku 0x0C) [BOOKS Takada (Yoshi-puu)] Daisuki Kura Girl (Mitsudomoe) [English] [UnKnOwNkTL]
(Reitaisai 14) [Anarchy Gangsta (jude)] Omocha no Do-M Patche-san (Touhou Project)
(Reitaisai 12) [Satellites (Satetsu)] Patchou Ona (Touhou Project) [Chinese] [oo君個人漢化]
(C81) [Chikutakudoh (Chikugen)] Iza Jinjou ni Shoubu! | Let's Have a Good Clean Fight! (The World God Only Knows) [English] [life4Kaoru]
[ternotte (noneto)] Mana Only Knows - 2021-nen 01-gatsu Bun
[Konezu] Abnormal Otome Club
(C93) [YuKi-IRo (Yukiusagi.)] Patchu Hame! (Touhou Project) [Chinese] [花火汉化组]
[Hikari no Tomoshibi (Kousoku)] Watashi to Marisa no Bondage Life!? (Touhou Project) [Digital]
[Emua] Shiritagari Joshi | The Woman Who Wants to Know About Anal Ch. 1-6 [English] [Zero Translations] [Digital]
(C82) [YuKi-IRo (Yukiusagi.)] Majokko Patchouli-tan 2 (Touhou Project)
I know you want
(C80) [Pikopikotei (Inoue Mitan)] Lover Code (The World God Only Knows)
(C90) [Usagi no Oyatsu (Amatsuka China)] Colorful Patchex (Touhou Project) [Chinese] [CE幻想夏结社]
(C82) [Ishimuraya (Ishimura)] Sukumizu Patchouli Shokushu Jigoku (Touhou Project) [Decensored]
(C80) [Simotsukekai (Yuuichi)] Megami no Saihai (The World God Only Knows)
ZYK
(Reitaisai 15) [Kedama Gyuunyuu (Tamano Kedama)] Patchouli Sensei ga Oshiete Kureru (Touhou Project)
(HaruCC16) [Magic Wand (Unknown)] Fuuki Iin ga Fuuki to Senpai o Midasu Hon (Tales of Graces)
(Love Up ★ Chuu 3) [as known as (Juri)] Amore mio! (I-Chu)
Ultraman Unknown
Only i Know Her Cumming Face Ch. 1 - 11
REVERSE EMBLEM
[Fuusen Club] Boku wa Mama no Pet Inbu REVIVE [Digital]
[Guild Plus (O-bow)] Touhou Ryourintan san (Touhou Project) [Digital]
(C77) [Tairikukan Dandoudan Dan (Sakura Romako)] Iinchou ga Anna Koto ya Konna Koto o Shite Iru no o Minna wa Shiranai | Nobody Knows the Class President Does These Kinds of Things [English] [B.E.C. Scans]
Jouge Kankei 3
Lacus unknown hentai doujinshi
(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]
[Raiden Labo (Raiden)] Koumakan e Youkoso (Touhou Project) [Digital]
(Shuuki Reitaisai 4) [Nyuu Koubou (Nyuu)] Totsuzen Gekiiki Patchouli-sama (Touhou Project) [English] [SMDC] [Incomplete]
GAME/DEATH
[Johnny] Nyuushiki Love Knowledge ~Kimochi Iikoto Oshiemasu~ | Nyuushiki Love Knowledge ~I'll Teach You Something Nice~ Ch. 1-4 [English] [AntaresNL667]
(Daikyuushuu Touhousai 8) [Nyuu Koubou (Nyuu)] Oidemase!! Jiyuu Fuuzoku Gensokyo Nihaku Mikka no Tabi | Welcome!! 3 Days and 2 Nights in Gensokyo's Unrestricted Brothel (Touhou Project) [English]
(Reitaisai 12) [Water Drop (MA-SA)] Satanic Carnival 3 (Touhou Project) [Chinese] [核弹团个人汉化]
(C80) [VISTA (Odawara Hakone)] Yukiatsu Hodo Keritakunaru Ningen wo Bokutachi wa Mada Shiranai. | We Still Don't Know Anyone Whose Ass We Want to Kick as Much as Yukiatsu's (Ano Hi Mita Hana no Namae wo Bokutachi wa Mada Shiranai.) [English] =LWB=
(Reitaisai 14) [CausCiant (Yamaiso)] Alice-tachi no Ero Trap Dungeon (Touhou Project)
[Fugudoku (Katou Fuguo)] Surudake Jyuu Shi. (Touhou Project) [Digital]