(C92) [PASTEL WING (Kisaragi-ICE)] Koibito wa Kokoa Onee-chan 2 (Gochuumon wa Usagi desu ka?)
(COMIC1☆14) [Aroma Terrace (Shibainu Niki)] Ore no Kanojo wa Koakuma Kokoa-san. 3 (Gochuumon wa Usagi desu ka?)
(C91) [0000 (Akito.)] Kokoa Onee-chan to Otonari no Seki | Kokoa Onee-chan Is In The Seat Next To Me (Gochuumon wa Usagi desu ka?) [English] {Doujins.com}
(C91) [0000 (Akito.)] Kokoa Onee-chan to Otonari no Seki (Gochuumon wa Usagi desu ka?) [Chinese] [脸肿汉化组]
(C90) [Mono Letter (Karutamo)] Kokoa Onee-chan wa Choroi (Gochuumon wa Usagi desu ka?)
[Souijou] Mama (Mama to Oneechan) [English] [Amoskandy]
(C93) [Amazing Sweets (Haruichigo)] Kokoa Onee-chan to Wanwan Shiyo (Gochuumon wa Usagi desu ka?)
[milkberry (Kisaragi Miyu)] Datte Kiss Shichattara Koibito Mitai Janai [2017-03-18]
(COMIC1☆11) [PASTEL WING (Kisaragi-ICE)] Koibito wa Kokoa Onee-chan (Gochuumon wa Usagi desu ka?)
(COMIC1☆13) [namazu-no-ikesu (Namazu)] Bitch JK-fuu Kokoa-kun no Okusuri Bon (Gochuumon wa Usagi desu ka?)
