Candy-tokyo_teen_preview.rar -

Look at the filename itself. "Candy-Tokyo" and "Teen" are keywords.

Searching for these keywords often leads to a specific Japanese "Idol" or "Candy" themed blog or a social media profile (Twitter/X or Instagram). Candy-Tokyo_Teen_preview.rar

Run strings preview.jpg to look for readable text hidden in the binary code. Look at the filename itself