 He recognizes Seiran's past identity from his swordfighting techniques, and the novels call him and Seiran the greatest military officials of Ryūki's reign as Emperor.Near the beginning of Ryūki's reign, Shūei briefly worked as a civil official, but was disappointed by how the new Emperor wasn't interested in politics and kept disappearing.Switching from the civil service to the military, Shūei joined the Left Uringun army and rose to the position of Shogun.