Three years ago, Yin, and Zhao lived together in a nomad settlement. The three of them were close childhood friends.
The sisters loved Zhao like a brother, but that eventually turned into romantic love.
While playing in the field as usual, they discover a broken construct.
Zhao is drawn to the workings of the strange machine.
Meanwhile, in the Taibai Empire, Chief Engineer Mo Heng is working on Zhengtian, the ultimate weapon.
extending our reach to 
nations along the frontier.
ومدّدنا نطاقنا ليصل أقصى الحدود
wodurch wir die Länder
an unseren Grenzen erreichten.
et étendu le pouvoir
sur les régions reculées.
estendendo il nostro dominio
alle nazioni lungo la frontiera.
estendendo nosso alcance
a nações perto da fronteira.
наше влияние достигло пограничных стран.