the syndrome, unknown to the others. In "Outbreak", he fails to create the cure when each of the soldiers monitoring Rika at the clinic contracted the syndrome dying in the process, losing hope, he immediately kills himself as Rika watches on. Played by: Hitomi Miwa Keiichi's school teacher and a parody character of Tsukihime's Ciel (permission for her usage was given by Type-Moon). The voice actress for her character in the anime series is the same as the voice actress of Ciel. Like her, she enjoys curry rice, and she will react violently when anyone insults it. Also in the comic chapter Batsukoishi-hen, she wields six small wooden boards like Ciel's "Black Keys" swords. The main character in Himatsubushi-hen and a police investigator at the Metropolitan Police Department in Tokyo. When he was assigned to Hinamizawa five years ago, He befriends Rika while investigating a case regarding an abducted child named Toshiki Inukai, the grandson of a construction minister who organized the village dam's construction, he learns about a prophecy about his wife's death at the hospital which came true, though he just brushed it off as coincidence. In an untold world, Mamoru regrets being unable to save his wife and Rika, and learns martial arts to clear his mind, hoping to relive the time before Himatsubushi-hen to save them. Through a miracle, In Matsuribayashi-hen, Mamoru subconsciously learns martial art skills to defeat Takano's group and save Rika as gratitude for saving his wife and daughter through her prophecy. The secret agent of the Sonozaki family and Shion's caretaker. He was more active in the past when he was close to Akane as her bodyguard and had a crush on her even if her husband is his boss but has settled down after he was badly injured in a Yakuza battle. He is also aware of their lifestyles and badgering tactics. In Matsuribayashi-hen, he displays extreme strength and combat experience while raiding the Irie Clinic, frequently subduing Takano's group. Played by: Hiroo Ōtaka (film), Tomohiro Waki (TV series) Satoko and Satoshi's abusive uncle, Tamae's husband, and Ritsuko's boyfriend living in Okinomiya. He and Tamae were forced to take care of their nephew and niece after their parents died. The couple had multiple arguments over their financial issues wanting to gain access to a huge load of money that Satoko and Satoshi's parents hid inside their house while venting their anger