Summary "Welcome to Star Smile Co., Ltd.!" You are the new director of a remote planet development office. Your mission is to protect the pioneer planet from the approaching life form "Carolian". Defend the planet by deploying a weapon called a circle turret! How to play Place 6 types of circles anywhere on the stage. Turrets placed in circles will automatically attack enemies. *Resources are required to place circles, so please use them strategically on stage. Use the rewards you get for clearing the game in the lab. Strengthen your turret to make your defense even stronger.Communicate with your secretary-chan. Communication with your secretary-chan, who supports you in this game, is an important element. She may or may not talk to her, and her likability fluctuates depending on her conversation choices. Let's talk more and more to get her the best ending. *If you fail to defend the planet, Secretary-chan will have extra work to do, and she will become tired. If she leaves her tired, she might end up in trouble...