Son of prominent government officials in the Zhong Federation, Souren Lee has virtually lived most of his life alone, his only companion being the android An. But when a diplomatic mission calls for Kosei Tao to come to the province of the royal capital, Souren’s solitary lifestyle is suddenly disrupted as their paths intertwine. All the while, unrest is rising in the nation, in what the people are calling "The Clockwork Rebellion," and the events that transpire will reveal Souren’s and Kosei's own hidden secrets.