(C88) [Private Garden (Fujii Kouki)] Kare Gunpuku (Owari no Seraph)

(C83) [Shinjae Iinkai (Mukasa Kouki)] Velvet Voix IV (Final Fantasy VII)

[Moon Night Kitten (Kouki Kuu)] Kyonyuu no Onee-chan wa Suki desu ka? [Digital]

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Tsuujou Koui to Ijou Koui de Nikai Shasei Sasete Kureru Mama wa Kirai desu ka?

[Moon Night Kitten (Kouki Kuu)] Kyonyuu no Onee-chan wa Suki desu ka? DUO [Digital]

[Moon Night Kitten (Kouki Kuu)] Kyonyuu no Onee-chan wa Suki desu ka? VIER [Digital]

[Anthology] Kouki na Ojou-sama wa Chitsunai Shasei ga Osuki Vol.2 Kouki na Ojou-sama o harama SEX anthology

[Moon Night Kitten (Kouki Kuu)] Kyonyuu no Onee-chan wa Suki desu ka? DREI [Digital]

[Anthology] Kouki na Ojou-sama wa Chitsunai Shasei ga Osuki Vol. 3 Kouki na Ojou-sama o HaramaSex Anthology