Mamoru Akasaka - 赤坂衛
About
He is a young police investigator at the Metropolitan Police Department in Tokyo. He befriended [Rika](https://anilist.co/character/1534/Furude-Rika) while investigating a case in Hinamizawa four years ago, all due to a prophecy about his wife which came true, though he just brushed it off as coincidence.
