Artist. On her pixiv profile page, she wrote her opinion about re-uploading her images.
Japanese name: 砂野 さそり (Sunano Sasori)
Site name: 白葡萄酒 (Shiro Budou-shu or Shiro Wine; both readings are available)
Old joint site name: 熱砂堂 (the other member: Tamada Kou)