We live in a world trapped in a never-ending cycle of collapse.
After a sudden invasion of alien beings known as “Sin”, humanity is on the brink of extinction. As the only one with “Synesthesia”, you must lead girls with the power of Gigantification and fight to save the world!
▼Animated game: Haze Reverb!
Dive into an anime designed for young heroes! Victory in anime game with cute character and gacha system, and create special memories with anime girls!
▼9v9 tactical combat
Command your team in intense turn-based battles! Strategize with up to 9 allies on the battlefield. Master positioning, action sequences and unleash powerful skills to achieve victory with the ultimate strategy!
▼ Fully voiced narrative
Immerse yourself in an epic adventure with fully voiced stories and main events! Watch the characters come to life, transcending their virtual forms to become your real companions.
▼Build your dream team
Team up with a diverse cast of unique characters! Choose your favorite giantesses, train them to their full potential and build an unstoppable team!
◆Global setting
After a cataclysmic attack from the alien beings “Sin”, human civilization is on the brink of collapse.
In response, the United Human Front establishes “The Eternal Shield”, AEGIS, to defend what remains.
Through advanced science, technologies such as “Gigantification” and “Transformation Cores” are developed, allowing elite soldiers, known as Drivers, to don AVG (Advanced Vision Gear) and transform into giantesses to fight “Sin”.
As someone who has lost all of their memories and yet mysteriously harbors the powers of “Sin”, you are the key to humanity's survival…