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.
Mo Heng, the constructs you built 
were once again victorious.
بوكو، المُركَّبات التي بنيتَها ظفرت بالنصر مجدداً
Mo Heng, deine Konstrukte
waren ein weiteres Mal siegreich.
Mo Heng, tus constructos
volvieron a ganar.
Mo Heng, tus constructos
volvieron a ganar.
Mo Heng, tes machines
ont encore été victorieuses.
Mo Heng, i costrutti che hai progettato 
ci hanno portato ancora una volta alla vittoria.
Mo Heng, os armamentos que você
construiu foram vitoriosos novamente.
Мо Хен, твои конструкты
вновь одержали победу.