(Reitaisai 6) [Sweet Milk Shake (Tora)] Koishi-chan to Koishitai! (Touhou Project)
(Reitaisai 11) [Usotsukiya (Oouso)] Koishi-chan Kutsushita Bon 2 "Full Color Oshikko" | Koishi-chan Socks Book 2 "Full Color Pee" (Touhou Project) [English] {Sharpie Translations}
[Zensoku Zenkai. (Sinori)] Koishi-chan no Ashikokibon. | Koishi-chan’s Footjob Book. (Touhou Project) [English] {Hennojin} [Digital]
Itoshii Koishi Kimi Koishi-chan Koishi
(C92) [Anmitsuyomogitei (Michiking)] Nagusame Jouzu no Koishi-chan | Skillful helper Koishi-chan (Touhou Project) [English] [ATF]
(Reitaisai 14) [Ririo Gatto (Kaenuco)] Boku no Mama wa Koishi Mama | Koishi is my Mommy (Touhou Project) [English] =LWB=
(Reitaisai 7) [Sweet Milk Shake (Tora)] Koishi-chan ni Koishiteru!! (Touhou Project)
(C89) [Hakusen (Opanchu)] Koishi-chan no Ecchi na Mainichi | Koishi-chan's Lewd Daily Life (Touhou Project) [English] {Doujins.com}
(C86) [Kitsune to Budou (Kurona)] Koishi-Chan Asobo | Koishi-Chan Let's Play♪ (Touhou Project) [English]
(C87) [Akuten Soushin (Kokutou Nikke)] Komeiji Koishi Shounen Sakusei Botai Yuuwaku | Koishi Komeiji's Boy-Cum-Squeezing Womb Seduction (Touhou Project) [English]
