A sudden breach in the sky appeared without warning—
the Abyss Fissure.

It marked the beginning of chaos that shook the world.
And yet… the light of hope was not extinguished.

Those who restore the distorted wavelengths of the world
and bring order back from ruin—
they are known as Tuners.

Now, you can become a Tuner,
setting out on a new journey alongside your Vanguards.

As you face countless adventures together, your bonds begin to deepen.
A shared meal, exchanged smiles, and fleeting yet precious moments—
each memory carved into your heart becomes a force strong enough to shake the battlefield itself.

“Chain Action Harmony of the Vanguards”
Tune this world together with your heroines!

▶ Real-time action raid battles against colossal bosses
Engage in intense real-time combat as you clash with massive bosses in breathtaking encounters.
Coordinate with your allies, tune the battlefield, and seize victory with powerful Harmonic Strikes!

▶ 4-person tag chain action battles with stunning characters
Experience dynamic combat brought to life through detailed 3D motion and dazzling skill effects.
Switch seamlessly between four unique characters and unleash stylish, high-impact battles!

▶ Share a banquet and deepen your bonds
The dish you choose, her gentle smile—
every shared meal becomes a story of its own.
Enjoy her favorite foods, build Affinity, and create unforgettable moments together.

▶ Immerse yourself in rich lore with fully voiced stories
Begin the journey of a Tuner born from chaos,
and uncover the hidden truths that slowly come to light.
Dive deeper into the world with fully voiced stories performed by a luxurious voice cast.