In the heart of modern-day Tokyo, where ancient traditions blend with the pulsating beats of urban life, a secret task force known as "The Ebon Order" operates under the cover of darkness. Comprised of highly skilled assassins, their mission is to track and eliminate individuals engaged in decadent behavior, safeguarding the honor and purity of Japan's rich cultural heritage. Our protagonist, Rei Takashi, is a prodigious assassin with a mysterious past, handpicked by the enigmatic leader of The Ebon Order, Master Kazuki. With unmatched combat prowess and an unwavering commitment to their cause, Rei has risen through the ranks and become an invaluable asset to the organization. As Rei embarks on their latest assignment, they discover a sinister plot that threatens to unravel the delicate balance between tradition and modernity. A clandestine syndicate known as "The Scarlet Lotus" has emerged, using its influence to exploit Japan's societal decadence for personal gain. Their leader, Masumi Kuroki, a charismatic and ruthless figure, orchestrates an empire built on corruption, gambling, and exploitation of cultural artifacts.