Kouichi Aizawa (Future)

Future Kouichi Aizawa (相澤 虹一Aizawa Kōichi) is Rokujou's seemingly 14-year-old classmate who studies Nindō under Kumohira. He is the counterpart of Kouichi of Nabari and the Resident of the Land of Haro.

Appearence
Kouichi has a tall, lean-muscled build from his training as a shinobi. He has white messy hair that matches his feathers in his animal form, and has wine-red eyes with a pair of oval-shaped glasses that he wears even though he has perfect eyesight.

Personality
He is normally portrayed with an energetic attitude around other people, becoming serious and relentless when it comes to ninja duties. He has a slightly morbid fascination with death as a result of his immortality. His immortality is attributed to the holder of the Shinra Banshou during the Edo Period, who was a medical practitioner that experimented with animals, placing the wisdom of the Shinra Banshou in them.