The Bakumatsu period, a gap between the past splendour of the Shogunate era and the modern glamor of the Meiji period, is one of the most violent and intriguing places to start a romance. Shinsengumi, a special police force consisted of elite swordsmen was formed by the bakufu in order to maintain the security in the Edo myCast. Ever since the Kansei Purge war ended, The infamous Shiroyasha disappeared for a time period. Now he became a freelancer who opened a freelance business where he could handle matters his own way, while continuing to live by his own samurai code, but not many people know that he is the Shiroyasha. At the same time, a mysterious girl accidentally gets herself wrapped up in the intrigues of the Shinsengumi, doubled with the emergence of a mysterious group of assassins and the appearance of a mysterious faction who claimed to be demons. The men in Shinsengumi are not merely fighting the mysterious assassins and the strange demons, they are also hiding a terrible secret. They are hiding something among them. Based on/Inspired by Gintama, Rurouni Kenshin, Ninja Gaiden, Nioh and Hakuouki, with a combination of characters based on myCast users and original characters.