The fourth season takes place after the Mechanical City has collapsed and the Mohists are almost eliminated. The Qin Empire plans for a period of peace and prosperity and the Emperor utilizes a huge amount of labor to build the Great Wall and plans more sophisticated programs. There is apprehension in the city about the function of the giant boat Mirage which appears off the coast. Various rebel factions came together in Shanghai to defeat the Emperor's ambition. The Emperor and his forces, including the Quicksand group, the Yin-Yang School, Net Trap Organization and swordsman Shengqi are all arraigned against the rebel group comprising the Mohists, Confucianists and the Taoists. Tianming's education and training continue as he is faced with more and more challenges as leader of the Mohists. (Source: Qin's Moon Wiki)

Set in the same universe as the live-action series. This work will explore new elements of the story mythology.

There was a time when life on Earth ran out of resources due to overpopulation. As a result, colonists were sent to the Moon, where they had to do dangerous and challenging mining jobs. Their efforts paid well, as the people of Earth now prosper from the Moon's bounty—but the colonists' lives are still riddled with terror. When an extremist group kidnaps Melinda Hearst, the girlfriend of a government official, tensions on the Moon reach a critical point. Third-generation colonist Shun Nonomura struggles to decide whether to lay low or join the rebellion. However, in the distance looms Dallos, a mysterious structure that could change the course of Lunar history.

Lily Bridge, a young journalist, arrives at Arkham City, hoping to find a big scoop. However, with all the strange things occuring around the city, only the exceptional findings are news-worthy, such as the mysterious mecha known as Demonbane. However, upon finding a small piece of machinery that seemed to be connected with the Hadou Combine, Lily is determined to find the truth. Little does she know, she enters into a dark world, involving herself with Demonbane and the powerful forces that control the city. (Source: ANN)