During the day, you will experience a girl's school life. At night, you will travel through various dreamscapes. To find your missing sister, you dive into different dreams every night, searching for the clues she left behind. Along your journey, you will meet various companions and gradually uncover the truth behind your sister's disappearance. A wealth of beautiful CGs and Live2D illustrations vividly depict the bonds between the girls. From daily interactions to key plot moments, each character comes to life, providing an immersive visual experience for players. Pilot your mech, take on various special challenges, unlock powerful skills, and make your mech even stronger!