Annex I Arc (2619 A.D.)Edit
Hyuga along with Someya was first seen outside the bar where Honda Kou and Shichisei Hiruma were talking. He told Someya that Annex I when for plan Delta. They also discussed the A.E. Virus and the sick people, commenting also that there is no hope for Sakurato Harukaze. While guarding outside, they were attacked by few men, wanting to take Honda, but were easily defeated by them. Hyuga spoke some russian and judging by their reaction he understood that they must be russians.
Powers and AbilitiesEdit
Hyuga has gained the sensor abilities of the western diamondback rattlesnake, obtaining a sensory system that allows him to feel with his body infrared heat signatures. He can search a facility from the top to the basement to see if its empty or not.
Hyuga can expand his chest cavity, increasing his lungs air capacity about 7 times more. This allows him to hold his breath for a long period of time to avoid breathing in harmful substances and also making his scream powerful enough to burst the human eardrum.
Hyuga is also an expert marksman able to shoot with 2 guns at the same time hitting the target with ease. He is a quick thinker, analyst and has fast reactions as shown when he helped Hongou to fight Jinjen Von Vinland