Night of the Komoris is a mission in Red Steel. It's the second level in "Act 3: The Ghosts of the Sanro Kai".
Scott Monroe heads for Otori's Dojo to protect the Katana Giri. Upon his arrival, he battles Komori ninjas and rescues the dojo students and Kenji the guard. Together, Scott and Otori fend off the ninjas but Mariko is severely injured, and the Komoris escape with the sword.