Unno Hotaru

Mangaka, artist. Seems to be a Sci-fi fan.

Japanese name: 海野 螢 (Unno Hotaru)

Circle name: 黒鹿亭 (Kuroshika-tei)

Site name: 海野屋

Old circle name: 娼学館 or 講漫社 (the other member: Momose Tamami)