What the hell is going on with the arm of that couch.
Either AI-generated or very sloppily done base layer, with character-specific clothing and hair added. Since all uploads by this uploader have the same characteristics, they are probably also the artist.
Honestly don't know what part of this fanart aludes to Sugimoto, but the source tags him so I can only accept... for now, I'll just add the tag of the fgo character.