(COMIC1☆13) [Dontokoi! OO! (MUKKU)] Dare mo Shiranai Watashi shika Shiranai (THE IDOLM@STER)

(C84) [Hitotosensou (Hitotose Rin)] Ano Hi Mita Hana no Namae o Watashi-tachi wa Mada Shiranai. (Ano Hi Mita Hana no Namae o Boku-tachi wa Mada Shiranai.)

Dare mo Shiranai Watashi shika Shiranai

[Koa (Various)] Enema no Tenchi 3 (Various)

(Reitaisai 9) [Tokyo Glider (Ura Dramatic)] Patchouli no Kawa o Kabutta Koa no Hon (Touhou Project)

(C47) [Koa (Yugawara Atami)] Aeka na Asa + Aeka no Yoru (Enema no Tenchi 2) (Tenchi Muyo!) [English] [TripleSevenScans]

(C47) [Koa (Various)] Enema no Tenchi 2 (Tenchi Muyo!)

[Angelic Feather (Land Sale)] Flan-chan no Oshiete no Koa Sensei-san (Touhou Project) [Digital]

(C53) [Koa (Various)] Dengeki Inuoh 1997 Winter (Various)

(C55) [Koa (Yugawara Atami)] Dengeki Inuoh Dash (Various)

(C51) [Koa (Various)] Dengeki Inuoh 4 (Various)

(Kouroumu 9) [Aikotobako (Kotoba Ai)] Koa Bitch!! Second Season (Touhou Project)

(C47) [Koa (Various)] Enema no Tenchi 2 (Tenchi Muyou!)

(C48) [Koa] Enema no Tenchi 3 (Tenchi Muyou!)

(C46) [Koa (Various)] Enema no Tenchi (Tenchi Muyou!)

(C54) [Koa (Various)] DENGEKI INUOH 1998 SUMMER (Various)

(Shuuki Reitaisai 4) [Fumituki (Fumituki)] Pachu-Koa Change (Touhou Project) [English] [A-Trans]

[Koa (Various)] 電撃犬王 (Various)

(Reitaisai 11) [PUMPERNICKEL (Sumisuzu)] Rusuban Koa-san to Himajin Flan-chan (Touhou Project)

(C50) [Koa (Various)] Dengeki Inuoh 3 (Various)

(C59) [Koa (Darkness Yugawara)] Comic Dengeki Inuoh (Shinpi no Sekai El-Hazard) [Incomplete]

[Arysuivery, Chiyohan (Ayakase Riberi, Ayakase Chiyoko)] Koa Pache Flan no Kaikata (Touhou Project) [Digital]

Pachu-Koa Change

Patchouli no Kawa o Kabutta Koa no Hon

[Koa (Various)] Comic Dengeki Inuoh (Various)

[Koa (Various)] Comic Dengeki Inuoh 2 (Various)

[Momose Koa] Meaani R18 Rogu ②

[Momose Koa] Meaani R18 Rogu ①

Watashi no shiranai watashi no sekai

[88 Gou (Ooishi Chuuni)] Ano Hi Nonda Biyaku no Namae o Bokutachi wa Mada Shiranai. (Ano Hi Mita Hana no Namae wo Bokutachi wa Mada Shiranai.) [Digital]

(C80) [Meromero Melon (Peke)] Ano Hi Mita Chichi no Kanshoku o Bokutachi wa Mada Shiranai. (Ano Hi Mita Hana no Namae wo Bokutachi wa Mada Shiranai.)

(C80) [Moriisan-Tokono (Morii Shizuki)] Anaru-chan no Namae wo Bokutachi wa Mada Shiranai. (Ano Hi Mita Hana no Namae wo Bokutachi wa Mada Shiranai.) [English] [frogstat]

[YukiSora (Niwa)] Shiranai Machi to Shiranai Hito (Shingeki no Kyojin) [English]

(C80) [Popochichi (Yahiro Pochi)] Ano Anaru no Sundome Manga o Bokutachi wa Mada Shiranai. (Ano Hi Mita Hana no Namae o Bokutachi wa Mada Shiranai)

[NOA (Potekoro)] Ano Hi Mita Ushijima-kun no Koto wo Kanojo Wa Mada Shiranai (Ano Hi Mita Hana no Namae wo Bokutachi wa Mada Shiranai.)