Kotona Goumon
[Dennou Chocolate (AwA, Mado)] Goumongu de Ochakai o AwA/Mado (Chinese) [沒有漢化] [Digital]
[Mousou Teikiatsu] Maya Goumon Biyori | A good day to torture Maya (Mousou Note) [English] [man-machine translations]
[Nightmare Express -Akumu no Takuhaibin-] Yokubou Kaiki Dai 264 Shou -Sayonara Tantei if Nyotai Goumon Sareta Joshu to Onna Tantei-