BBK/BRNK

Azuma Ikki's homecoming to Japan is interrupted when he's attacked and captured. He's saved by Kogane Asabuki, a childhood friend wielding a Bubuki, a weapon with its own consciousness. Azuma, also a Bubuki user, learns about these unique weapons and the world they inhabit. He joins Kogane and other companions, all Bubuki users, on a quest to find and revive Oumai, a Buranki, a giant titan slumbering beneath the earth. Their journey involves mastering their Bubuki, facing unknown threats, and uncovering the secrets of the Buranki. The series explores themes of friendship, destiny, and the power of these sentient weapons.