Kazuhiko Yamamoto

Boy #21 Kazuhiko Yamamoto is Sakura's long-term boyfriend. The novel describes Kazuhiko and Sakura as "the most intimate couple in the class." The two decide to kill themselves by jumping off a cliff. In the novel the two jump when they hear a person approaching; the person approaching is revealed to be Yukie, who only wants to help them, and is upset at seeing them die.