Kazuyuki Izumi

Shinichi's Father

Kazuyuki Izumi manga

Personal statistics
Name Kazuyuki Izumi
Japanese 泉一之
Rōmaji Izumi Kazuyuki
Gender Male
Age 44
Status Alive
Relatives, etc. Nobuko Izumi (Wife - Deceased)
Shinichi Izumi (Son)
Unnamed Brother
Species Human
Eye Black
Hair Black
Occupation Magazine writer (formerly)
Series statistics
Anime debut Episode 1
Manga debut Chapter 1
Seiyuu Masaki Aizawa
English Voice Rob Mungle
Image Gallery

Kazuyuki Izumi (泉一之, lit. Izumi Kazuyuki) is the husband of Nobuko Izumi and the father of Shinichi Izumi. He is a former magazine writer, now freelance. 


Kazuyuki is a tall middle-aged man with a mustache and black hair that he keeps combed. He's normally seen wearing a brown button up vest over a green long sleeved shirt and blue jeans.


In the beginning, Kazuyuki is a rather laid-back person, seeming to go with the flow with any changes he notices that take place in Shinichi Izumi. Later on, however, after Nobuko Izumi dies, he gets depressed and develops a drinking problem.


Kazuyuki is first seen late at night, entering his son's room along with his wife after hearing strange noises. After witnessing his son on the floor with a cord wrapped around his arm, he asks what he's doing. Shinichi Izumi quickly tells him of the '"snake" that jumped into his arm, and goes to show him the hole left from it. With no hole or any noticeable injury, Kazuyuki asks Shinichi if he's on drugs, something Shinichi denies and Nobuko Izumi laughs at.


  • The name Kazuyuki means "one" (一) (kazu) and "to go" (之) (yuki).
  • Kazuyuki's surname Izumi means "spring, fountain" (泉).
  • Kazuyuki was omitted from the live action movie.
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