**Height:** 163 cm Beautiful, intellectual and an amazing swimmer, Nao has an open attraction towards Haruka. As a close and trusted childhood friend, Nao was sincerely devastated when it seemed she would never see the two siblings again. Nao’s compassion and maturity projects an ambiance of sisterly love unto others, though for Haruka there is an intimately deeper and sensual emotion. Sora harbors great resentment towards the popular student, never taking an effort to explain the reasons why.

Spoiler

When the Kasugano twins last visited the area, their departure was particularly painful for Nao, who had grown quite close to Haruka, to the point of raping him on one occasion.