Rina Mamiya

間宮 リナ

Rina is a woman who appears in Rena's life in the story Tsumihoroboshi-hen. She is the lover of Teppei Houjou, and together they swindle men out of their money through intimidation and blackmail schemes. [Spoiler] Her real name is Ritsuko, but she uses Rina as a fake name. Rena kills her to protect her father. She is killed in Tatarigoroshi-hen, when her body was found in a bag in a stormdrain after having been tortured to death by an unknown assailant, in Minagoroshi-hen, when she is murdered by members of the yakuza when she tries to flee Okinomiya, and in Miotsukushi-hen, where she is killed by Takano. Her death often triggers Teppei's return to Hinamizawa. [/Spoiler]