Nippon Sangoku: The Three Nations of the Crimson Sun Episode 4 English Subbed Episode Title: The Seii Coup Episode Description: Three years after passing the Toryumon, Aoteru is working hard under Ryumon to perform his duties to their fullest. Meanwhile, Yamato sends a demand for unconditional surrender to the neighboring nation of Seii, which has been unstable due to the harsh winter conditions. In Seii, the embers of rebellion are quietly stoked.