Choose, there's no time to hesitate.

Levi and his group set out to investigate outside the walls and test Erwin's new formation.
As words of praise poured in for the formation that functioned like a living organism, the movement of the clouds became unusual.
Eventually, the Survey Corps was unable to see even an inch ahead due to the pouring rain and rising fog.
As the thoughts of himself, his colleagues, and the Survey Corps intersect, what choice will Levi make?

The second volume of the strongest spin-off in human history reaches its climax!