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.
"The Western Construct Army have 
attacked the Dianhaixi stronghold."
"هاجم جيش المُركّبات الغربي معقل تينكاي"
„Die Konstruktarmee des Westens
hat die Dianhaixi-Feste angegriffen.“
"El ejército de constructos occidental
atacó la fortaleza Dianhaixi.
"El ejército de constructos occidental
atacó la fortaleza Dianhaixi.
« Les troupes de l’ouest ont attaqué
la base du Dianhaixi de l’ouest.
"L'armata occidentale dei costrutti 
ha attaccato la fortezza Dianhaixi."
"O Exército Ocidental
atacou a base de Dianhaixi."
«Западная армия напала 
на крепость Диянхайси.