In 2099, Earth has shifted off its axis and begins to rotate at an angle of 90% to the 20th-century equator. Three years of natural
![[Series All Volumes] Nana Toshi Monogatari: Hokkyokukai Sensen (OVA) (Sub)](https://data.animebuu.com/data/98/9871/tmdb/poster/1_poster.jpg "[Series All Volumes] Nana Toshi Monogatari: Hokkyokukai Sensen (OVA) (Sub)")
In 2099, Earth has shifted off its axis and begins to rotate at an angle of 90% to the 20th-century equator. Three years of natural