[Nazonokai (Mitamori Tatsuya)] Happa no Kawanagare 1/2 (To Heart) [謎の会 (みた森たつや)] 葉っぱの河流れ 1/2 (トゥハート)

(C71) [Nazonokai (Mitamori Tatsuya)] Koharu Biyori 4 (ToHeart 2)

(C54) [Nazonokai (Mitamori Tatsuya)] Happa no Kawanagare 2 (Kizuato)

(Kakuseiya) [Nazonokai (Mitamori Tatsuya, Shimamoto Harumi)] Happa no Kawanagare 1 (Kizuato, ToHeart)

[Nazonokai (Mitamori Tatsuya)] Gokinjo no Monster 2 [Digital]

[Nazonokai (Mitamori Tatsuya)] Koikeda san to Asobou [Digital]

(C82) [Nazonokai (Mitamori Tatsuya)] Ore no Imouto wa Imouto Dakara Doudemo Yoi 2 (Ore no Imouto ga Konnani Kawaii Wake ga Nai) [Digital]

(CR37) [Nazonokai (Mitamori Tatsuya)] Koharu Biyori (ToHeart2)

(C68) [Nazonokai (Mitamori Tatsuya)] Koharubiyori 2 (ToHeart2)

(Comic Castle 2005) [Nazonokai (Mitamori Tatsuya)] Koharubiyori 3 (ToHeart2)

(C83) [Nazonokai (Mitamori Tatsuya)] Gokinjo no Monster 5