Character
Kouichi Aizawa
相澤虹一
Character
**Height:** 168 cm Kouichi is a classmate who studies nindou under Kumohira. Though he normally has an energetic attitude when around others, he is serious and relentless when it comes to his ninja duties, and is apparently fascinated with death. It is later revealed that his love of death is a result of his own inability to die. His immortality is attributed to the holder of the Shinrabanshou during the Edo Period, who was a medical practitioner, experimenting with placing t…
