This file traveled through servers, across oceans, through the hands of anonymous uploaders, just so someone in Ohio or Oslo or Osaka could feel their heart flutter when a boy in a sailor uniform says, "You came."

Tokimeki Memorial Girl's Side 4th Heart is an otome dating simulation game released by for the Nintendo Switch on October 28, 2021 . The file reference you mentioned, ending in .XCI , is a common format for Nintendo Switch game cartridges often used with custom firmware or emulators. Game Overview