It's a Showdown, I'm the God of War

He is the mad young man he once was, and he is the sharp sword of the country. One man can guard the barrier, and no one can break it! With one order, millions of corpses were laid to rest, and blood flowed into rivers! Because of a promise, he was willing to become a humble son-in-law and was despised by others... When the crisis came, for his wife Chu Yiyi: "It's a showdown, I am the God of War!"