An anime based on the Romance of the Three Kingdoms novel.

In the future, the oceans have risen to flood all the continents due to humanity's negligence of the environment. Only a few bits of land have been spared, and one of those is the city-island where Elfie lives with her grandfather. One day, due to an underwater incident, she discovers that she can breathe underwater. Her grandfather reveals that in truth she is one of the mythical sea-people. Using the city-folk's xenophobia, local politicians spark a war with this hidden people to distract people from their current resource problems, and Elfie is caught in the middle of it. (Source: ANN)

The Grand Prize Challenge was born, and the talented player Guo Xiaoye, who had been suspended for two years due to a frame-up, once again challenged the top. In order to prove that he has regained his original intention, he and his natural general Guo Jia passed the test, but discovered a shocking conspiracy during the game - the damage in the game can actually be transmitted to real players! (Source: Tencent, Google translated)

One day, high school friends Akira Houjou and Chiaki Asami flip a coin and make a vow that completely changes their fates. For his part, Akira immediately drops out of school to join the yakuza, while Chiaki toughs it out in order to become a politician's aide. Although they seem to have made polar opposite choices, the two friends feel as if they are two sides of the same coin; they will do whatever it takes to reform Japanese society as they see fit.