Known for his legendary status as a skilled assassin, Fable finds himself in a predicament after a surge in completed contracts raises concerns. Instructed by his superior to disappear for a year, Fable is advised to embrace a civilian lifestyle to hone his adaptability. Alongside his trusted driver, now posing as his sister, Fable embarks on a year-long hiatus under the guise of Akira and Youko Satou. The stakes are high as their boss lays down a strict ultimatum: any bloodshed during this break will result in dire consequences, setting the stage for Akira and Youko's unconventional journey away from the shadows.