Looks like Sōten Kōro is not the only anime coming out this year based on Three Kingdoms… Here is the trailer! 🙂
The first Japanese-Chinese joint TV cartoon, based on the Chinese historical novel “The Romance of the Three Kingdoms,” has been produced and will be broadcast across China, its producers, including Japanese toy maker Tomy Co, said Tuesday. The other two producers are Future Planet Co, a Tokyo-based video-content maker, and a Chinese animation company under public broadcaster China Central Television.
Source: Japan Today
Further Reading: ANN