Masafumi Shinoda

"If you send another assassin, next time, it won't only be Arashiyama Unit. You'll be facing me, Kido Faction."

- Shinoda threatening Kido about capturing Yūma

is Border's General Manager and Commander of the Self-Defense Unit. He's the most powerful person with a normal trigger.

Appearance
Masafumi is a middle-aged man with short, black hair and black eyes. Being a high-ranking member of Border, he usually wears a suit.

Personality
Masafumi is a person who cares greatly for people's safety. He will do anything to protect innocent people, but unlike most people at Border, he doesn't hate Neighbors. As such, he was against killing Yūgo's son and take his Ring from him, which he considered theft.