(C91) [Sekine (Sekine Hajime)] Gochisou wa Kokoa desu ka? (Gochuumon wa Usagi desu ka?)
(C101) [Wakuwaku! Gochishiko Land (Gochishiko)] Kokoa-chan Hajimete no Seitai Massage (Gochuumon wa Usagi desu ka?)
[2nd color (Typehatena)] Kigumi no Machi o Aruitetara Oishisou na Kodomo ga Ita node Gochisou ni Narimashita (Gochuumon wa Usagi desu ka?) [Digital]
(COMIC1☆10) [Watagashi (Various)] GochiUsa Micro Bikini-bu ~GochiUsa Fan Book 3~ (Gochuumon wa Usagi desu ka?)
(C99) [Wakuwaku! Gochishiko Land (Gochishiko)] Kokoa-chan to Okusuri (Gochuumon wa Usagi desu ka?)
(C89) [TAKE3 (TAKEMITZ)] Gochisou Usagi Mocha Milk (Gochuumon wa Usagi desu ka?)
[2nd color (Typehatena)] Kigumi no Machi o Aruitetara Oishisou na Kodomo ga Ita node Gochisou ni Narimashita (Gochuumon wa Usagi desu ka?) [English] {Hennojin} [Digital]
(C90) [TAKE3 (TAKEMITZ)] Gochisou Usagi Mocha Bed (Gochuumon wa Usagi desu ka?)
[Hirame Jichiku (Hirame Guard)] Gochisou Sharo-chan (Gochuumon wa Usagi desu ka?)
Kokoa-chan Hajimete no Seitai Massage
