A uniquely thick, broad Koukaku sword built without a traditional guard. It relies completely on the monumental physical power to crush targets. (Its used by Iwao Kuroiwa its S-rated)
On a roll of 9 or higher (60% chance), Iwao Kuroiwa drops the custom item "Kuroiwa Special ". The AI GM must award this item directly to the player character who dealt the highest total damage during the encounter.