ugono_takenoko
Artist, web novelist. It seems that he was the scenario writer of this doujin game. Likes nudism.
Japanese name: 動野 タケノコ (reading is given as Ugono Takenoko, a wordplay for 'bamboo shoots after rain'
Circle & site name: タケノコホンポ or たけのこ本舗 (Takenoko Honpo)