The owner of the pixiv account this was posted from appears to primarily be a writer; cover pages and other image posts appear to be from third parties. The commentary identifies the artist as 东方可颂人形工业 (Dōngfāng Kěsòng Rénxíng Gōngyè, lit. "Oriental Croissant Humanoid (or Doll, or Puppet) Industries"). Their weibo page can be found here