Afraid that Hajime could suffer the same tragic fate as his previous Keeper, Zeroichi intentionally widens the emotional distance between them for Hajime's own safety, leaving a frustrated and hurt Hajime doubting the kind of relationship they really have. Unfortunately, finding the time to sort out their feelings isn't a luxury either of them can afford— not with the mysterious group responsible for the death of Zeroichi’s former Keeper suddenly terrorizing Neo-Tokyo once more.In the face of even greater danger and higher than ever stakes, Zeroichi must learn to move past the fear that has been driving them apart and rely on Hajime as a true partner.