■Story The main character was living an ordinary life, but a mysterious girl he met on the street asked him to help her. He accepts and is suddenly transported back in time to the Edo period ! He ends up fighting with a ray gun against a large number of attacking girls! ■Game System This is a first-person shooter (FPS) game. In addition to fighting from the FPS perspective, you can also fight on a tank, in a helicopter, or in a There are also stages where you fight from a TPS perspective! There are 37 stages!