**Height:** 161cm Nana Yamamoto is the older sister of Yuri Yamamoto and Motoharu Yano's first girlfriend. She is the exact opposite of Yuri and has a similar personality to Nanami. She is called Nana-san by most people to distinguish her from Takahashi Nanami. She dies in a car crash with her ex-boyfriend a year before the series takes place. (Source: Wikipedia)