Fuuma was a big man with dark hair slicked back. His facial features were rough and he had a beard. Like other CCG researchers, he wore a formal suit and a white coat.
He showed himself to be very conscientious about what he was doing, and fully astute. He was very lucid at the time of deducing that he was facing an S-rated ghoul, like Naki. He also suffered the death of his partner, Jun Numa.
He fought as a member of the Tateshima Squad, alongside Akira Mado. He fought when informed that they were facing Naki, the White Suits, and the Three Leaf Gang. Later, he witnessed the death of his partner, Jun Numa.
- Yukimichi was modeled after one of the 20 winners among the applicants to the ghoul investigator recruitment campaign. Yukimichi is associated with "injustice, cruelty" (非道, hidō) in the operation reports attached to the chapters.