In the second season, Emperor Qin sends Quicksand to destroy Machinery City, the home of the Mohist School. At the same time, Duanmu Rong sends the three kids, Tianming, Shao Yu, and Gao Yu, into the forbidden grounds of the Mohist School, a place where nobody could enter without permission. (Source: AniDB)

Nearly 2000 years ago, the prosperous Han Dynasty of China collapsed. Heroes rose and fell, and three nations emerged—Wei, Shu, and Wu. Historians refer to this period as the Three Kingdoms period. The romance of the three kingdoms is an intriguing tale of heroic deeds, of alliance forged and broken, of loyalty and betrayal. (Source: MU)

Part one of the second season of Shaonian Ge Xing.

Humans acquired a perfect source of energy called Patia, which brought self-sufficiency in food and fuel to all the people in the world. Trade and transportation began to diminish and finally the advance of the civilization terminated. Now the genetically modified plants cover almost all of the lands on earth and obstruct travelers. Cient, the leader of a fortress city, sets out on a trip to excavate the lost technology Patia with his daughter Ruri. When Ruri gets separated from her father, a giant humanoid weapon of the old age attacks her. Ruri is saved by a girl named Tekuni who is traveling around the world training as a Wazabito fighter.