(Reitaisai 15) [Yanagisegawa (Milcara)] Iinari Koishi-chan (Touhou Project)

[Stapspats (Hisui)] Gensoukyou Futanari Chinpo Wrestling Ecstasy 2 - Marisa & Koishi VS Joon & Shion (Touhou Project) [Digital]

(C92) [Aoirokanata (Shikitani Asuka)] Koishi-chan no Himitsugoto 2 (Touhou Project) [Chinese] [脸肿汉化组]

(C93) [POETTO (Haryu)] Koishi-ryuu no Iyashikata (Touhou Project)

(Reitaisai 13) [Asanebou Crisis (Akaneman)] Koishi Kai (Touhou Project)

(COMIC1☆4) [Avocado Chaya (Yokoshima Koishi = Senbei)] Rokudenashi Blazblue CS! (BLAZBLUE) [English] {doujins.com}

(C93) [I'm (Matsubayashi Nagana)] Issho ni Onsen Koishi-chan (Touhou Project)

(Reitaisai 14) [Zensoku Zenkai. (Sinori)] Koishi-chan no Ecchi na Hon Matome! (Touhou Project)

(C93) [Zircon Prime (o-bow)] Satori to Koishi no Shimai Nanpa ni Goyoujin (Touhou Project) [Chinese] [好想玩梗汉化组]

[Hakusen (Opanchu)] Koishi-chan no Ecchi na Mainichi (Touhou Project) [Digital]

(Reitaisai 6) [Sweet Milk Shake (Tora)] Koishi-chan to Koishitai! (Touhou Project)

(C82) [Sweet Milk Shake (Tora)] Usagi Koishi (Touhou Project)

(C81) [Sweet Milk Shake (Tora)] Koishi-chan to!! Hamigaki Jouzu kana? (Touhou Project)

(Reitaisai 7) [Sweet Milk Shake (Tora)] Koishi-chan ni Koishiteru!! (Touhou Project)

(Shuuki Reitaisai 4) [Yuuyaminabe Club (Yaminabe)] Koishi no Himitsu Yuugi (Touhou Project)

(C92) [Rairaku Jinja (Koishi Chikasa)] Blue Kudryavka II C16H10N2O2

(Shuuki Reitaisai 4) [Studio P.M.Y (Mikarin)] Ecchi na Kenkyuu Koishi-chan no Baai (Touhou Project)

(Shuuki Reitaisai 4) [Yuuyaminabe Club (Yaminabe)] Koishi no Himitsu Yuugi (Touhou Project) [Chinese] [CE家族社]

(Reitaisai 14) [Rampancy (Bakko)] Koishi to Ofuro (Touhou Project)

(C85) [Omoshiro Usagi (Koishi Chikasa, Suipaka)] Issun Saki wa Oni (Touhou Project) [English] {Yajuu Scans}

(C92) [Sujoyu & Co. (Sujoyushi)] Koishi no Okazu Report ~Flandre no Baai~ (Touhou Project)

(C90) [Sunset Beach (Hammer)] Koishi-chan ga Pet o Korashimechau Ohanashi (Touhou Project) [Chinese] [靴下汉化组]

[Zircon Prime (o-bow)] RAID CLIP SATORI X KOISHI (Touhou Project) [Digital]

(Reitaisai 14) [Arutana (Chipa)] Koishi Onee-chan ni Makasenasai (Touhou Project) [English] {doujins.com}

(Reitaisai 14) [Arutana (Chipa)] Koishi Onee-chan ni Makasenasai (Touhou Project) [Chinese] [CE家族社]

(Reitaisai 14) [Arutana (Chipa)] Koishi Onee-chan ni Makasenasai (Touhou Project)

[Karamomo Tart (Qal)] Shokushu Koishi to Satori no Ofuro (Touhou Project) [Digital]

[Zensoku Zenkai. (Sinori)] Koishi-chan no Ashikokibon. (Touhou Project) [Digital]

(Reitaisai 14) [Douganebuibui (Aburidashi Zakuro)] Koishi, Aishi, Kimi Omou (Touhou Project) [Chinese] [無邪気漢化組]

(Reitaisai 14) [Douganebuibui (Aburidashi Zakuro)] Koishi, Aishi, Kimi Omou (Touhou Project)

(Kouroumu 12) [Happiness Milk (Obyaa)] Hentai Koishi wa Senyou Maso Hole (Touhou Project)

(Reitaisai 13) [Himepuchitei (Anda)] Ai sare Shimai Komeiji Satori ･ Komeiji Koishi (Touhou Project) [English] [ATF]

(C91) [Himameshiki (Lolimoyashi)] Hyoui Gattai Komeiji Koishi in Rumia (Touhou Project)

(Shuuki Reitaisai 3) [Yanagisegawa (Milcara)] Koishi-chan to Ecchi Shitai! (Touhou Project)

(Shuuki Reitaisai 3) [Zensoku Zenkai. (Sinori)] Koishi-chan no Ecchi na Hon! (Touhou Project)