If you were actually searching for a guide on a similar-sounding character, you might be looking for:
Move the file to your trash and empty it. Just having a .zip file on your computer is generally safe, but opening it or running any file inside can infect your system. Asuka Shiina.zip
This file name appears to be a "mashup" of popular Japanese names (like Asuka from Guilty Gear or VTubers like Shiina Yuika ) to trick users into downloading what they think is fan content or a game. If You Were Looking for a Specific Character If you were actually searching for a guide
If you have already downloaded the file, do not open it or extract its contents. Malicious actors often use .zip files to hide executables that install viruses, spyware, or ransomware once opened. If You Were Looking for a Specific Character
A complex character in Guilty Gear -Strive- known for spell-casting mechanics. Guides for him are available on community sites like Dustloop. Shiina Yuika: A popular Virtual YouTuber from NIJISANJI. Amanogawa Shiina: A Virtual YouTuber from Phase Connect.
Use a trusted antivirus program like Malwarebytes or Windows Defender to perform a full system scan immediately.
Are Zip Files Safe to Open?