Hi there @taejunoh please accept my apologies for this inconvenience. On this case please try disabling Hardware acceleration for Brave. To disable Hardware Accelertation through the macOS terminal. Follow the instructions below:
Open the Terminal and enter this command: open -a "Brave browser.app" --args --disable-gpu
@taejunoh on brave try creating a new profile on Brave and access google search to see if the issue persist, to do so go to main menu > create a new profile.