If you are trying to "put together a paper" or a catalog of information for this title, you can use automated tools to pull 4K screenshots and technical data:

Top 5 Legal Sources for Free 4K Video Downloads

Regarding the "free" aspect of your query, please be aware that most sites advertising "free 4K" downloads for this specific code are often deceptive and may host malware or intrusive advertisements. Accessing this content through official Japanese digital storefronts