By mid-2021, industry blogs identified Katayama as one of the "Five New Faces of Japanese Indie Cinema" alongside actors like Kaya Kiyohara and Nijiro Murakami.

If you’re looking for a factual 2021 summary, I recommend checking:

Fan Note: Katayama is known for replying to fan emails (not DMs) via a contact form on her official agency page. This old-school approach has endeared her to a niche but loyal fanbase.