![](https://cdn.animecharacters.io/images/characters/large/96252-87eed66a.jpg)
Seiji Shingen (信玄 誠司)
Shingen’s ex-job was a Self-Defense Forces member. Though his past is rather vague, it's clear that he lost a close friend on the job and in his honor, he always wears his friend's dog tags in his casual attire.
Voice Actors
Takuya Masumoto
Japanese