Discover the illicit digital realm known as "Shokugyou Koroshiya" where competing assassins vie for the lowest bid on coveted contracts. Kumo, the top enforcer for the agency, is tasked with safeguarding a closely-guarded memory and maintaining his ruthless reputation. Alongside the lethal Megumi the Mantis and KEI, the webmaster prodigy, they must navigate treacherous situations in pursuit of their goals.