Artist, niconico singer, songwriter, video creator and nicoLive user.
The current right owner of Sukone Tei's character copyright.
Utauloid Shirakami was voiced & designed by this artist.
On her pixiv profile page, she wrote her opinion about re-uploading her images.
Doujin pen-name: 神野 有哉 (Kanno Aya)
Niconico nickname: 醤油 (Shouyu)
The other name: 鮎川いろは (Ayukawa Iroha) (reading is a best guess)
Circle names: Almanoid or Alman0id
Old circle name: 醤油蔵