The term has become a shorthand in forums (like Reddit’s r/visualnovels or 4chan’s /jp/ board) for the specific method required to unpack and run this game—since many copies are distributed as encrypted .rar or .xp3 archives.
: If the game fails to launch after installation, ensure your antivirus hasn't quarantined the file, a common occurrence with older visual novel engines. walkthrough my dog my master 04 haruharu install
Safe sources (verify current links via fan communities): The term has become a shorthand in forums