Yosuga No Sura (Disc 3) - Nao

After the tragic death of their parents, Haruka and his twin sister Sora move out of the city to the rural town where they spent their childhood. At his new academy, Haruka gets reacquainted with many of the local girls who are now grown-up and attracted to him. Multiple romances bloom for Haruka until he discovers a forbidden love that may threaten to disrupt the siblings' quiet life.