Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
In the distant future, a world in which robots and humans are at war and in conflict with each other. Those who lived in hardship built a village in the remains of "ruins" and lived to hide from the robots. The main character, the girl, was also one of those who lived in the village. She and her gentle older sisters and childhood friends were living in a quiet life, threatened by the robot's attack. However, on the main character's birthday, the robot started the attack.