Izumi Kanai

Girl #5 Izumi Kanai is a student. In the novel, Izumi is a girl who is part of a non-distinct group of girls referred to by the novel as "the neutrals." Izumi's father is a town representative. The novel describes her as a "preppy." In the novel and the Japanese version of the manga, Izumi happens to be in the area where the "Kiriyama Family" meets. Kiriyama is uncertain as to fight the teacher or kill them all, so he flips a coin to decide. He then kills them all. In the novel she happens to be in the area. In the English manga Ryuuhei and Hiroshi capture Izumi and bring her to be raped. (Source: Wikipedia)