Everything this artist has uploaded on their Pixiv appears to be untagged AI. I think the way the ring finger on her left hand bleeds into her other fingers is a dead giveaway, the thumb on the same hand isn't even attached. https://www.pixiv.net/en/artworks/113467856 if you look at the fingers here they don't even make any sense. While human artists have plenty of trouble with hands these mistakes look like classic AI errors to me. post #7179191 The shaft of Plana's umbrella isn't even connected to the canopy. At best the artist will draw a sketch on the side or attempt to correct errors, but all of their work appears to be 99% AI.
