School Days Story: Brawl Girls is an romance and action-packed anime game that will take you on an adventure through a mirror world as a school students. As a group of bad students, you will need to work together to fight your way through the relentless waves of enemies and survive in a world where danger lurks around every corner.

Once school ends, Misaki and Makoto are on their way home, but as they pass through a mirror in the hallway, they suddenly find themselves in a strange new world that seems like a mirror image of their own. They try to find a way out, but the door they came through disappears, leaving them stranded.

As they explore the mirror world, they notice that everything seems to be backwards and flipped, including their own reflections. They also discover that they are not alone - other students from their school are also trapped in this world.

Misaki and Makoto team up with the other students and work together to solve the mysteries of the mirror world. They discover that the mirror world is a reflection of their own world, but it is also a place where their deepest desires and fears are manifested.

As they try to find a way back to their own world, they encounter many challenges and obstacles, including dangerous creatures and illusions that try to deceive them. However, they also find unexpected allies, including a mysterious girl who seems to know more about the mirror world than anyone else.

As they journey deeper into the mirror world, Misaki and Makoto begin to understand the true nature of their own desires and fears, and the mirror world's power to reflect and distort them. Ultimately, they must confront their own inner demons and overcome them in order to find a way back to their own world.