Born in Nagano Prefecture, ranking first, he entered the police academy after graduating from high school. A confused policeman, a middle-aged man in his forties today. He made his debut in the original Opera Murder. He was a stubborn criminal policeman who opposed Kindaichi Hajime, but after the incident was solved, he became the person who could understand Kindaichi Hajime and Miyuki Nanase best. Yes, my first lover met again in the murder of the official residence of the Fei Yi Post. He and his wife met and got married while repelling hooligans.

IQ IQ is considered to be average, not good at puzzles and other mental things, so the qualification is average. However, in the "First College Murder", some methods of the murderer were unexpectedly revealed.

In addition, in "Kill in a Weird Circus", the process of understanding the swordsman with his wife and Zhi (かずぇ, actor: Masako who plays the flute) is mentioned, so we can get a glimpse of the swordsman when he was young.