|Previous Affiliation||Nekuni Family|
|Previous Occupation||Head of the Nekuni Family|
|Relatives||Kyouichi's Father (son)|
Kyouichi's Mother (daughter-in-law)
Kyouichi Nekuni (grandson)
Miyako Nekuni (granddaughter)
|Manga Debut||Chapter 2: A Cornered Rat Will Even Bite a Rat|
Goichi has light colored hair that goes up and his forehead shown, and he has a goatee.