The "Slaughter Coliseum" Underground Fighting Organisation is holding it's yearly big event, "The Slaughter Coliseum Massacre". Choosing from the 8 strongest fighters that the organisation has to offer this year, it puts them in a 1v1 tournament to see who's the strongest among them all! The rules couldn't possibly any looser. Bones will break, Blood will spill, Survival is not guaranteed! The story is set 2 years after the Real Championship Tournament in Kengan Omega. This work is the manga adaption of an existing Kengan fanfic found on AO3 with the same title.