Rather than repeatedly playing stages of about an hour, you can explore a wide world while carefully raising your character. Wouldn't it be nice to have such an STG!! ...that's the concept of this game. Compared to the same lethal operation "Rugitta arc", the balance has been adjusted toward shooting. Depending on the skill of the player, even if the level is low, it can be managed by avoiding and concentrating firepower, but there are many technical weapons that are strong only when mastered. The firepower that has everything in hand is a one-hit kill. Enjoy the exhilarating feeling of destroying a large number of enemies one after another!