(Reitaisai 6) [Sweet Milk Shake (Tora)] Koishi-chan to Koishitai! (Touhou Project)
(Reitaisai 14) [Ririo Gatto (Kaenuco)] Boku no Mama wa Koishi Mama | Koishi is my Mommy (Touhou Project) [English] =LWB=
(C92) [Anmitsuyomogitei (Michiking)] Nagusame Jouzu no Koishi-chan | Skillful helper Koishi-chan (Touhou Project) [English] [ATF]
[Sakai Ringo] Atarashii Oneechan | A New Older Sister (HAJIRAI OTOKONOKO) [English] [Zero Translations] [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)
Koishi Onee-chan ni Makasenasai {doujins.com}
(Reitaisai 14) [Arutana (Chipa)] Koishi Onee-chan ni Makasenasai (Touhou Project) [Chinese] [CE家族社]
Itoshii Koishi Kimi Koishi-chan Koishi
(Reitaisai 7) [Sweet Milk Shake (Tora)] Koishi-chan ni Koishiteru!! (Touhou Project)
