Seirei Gensouki: Spirit Chronicles

Having once again firmed his resolve to avenge his mother, Rio tells Yuba that he intends to return to the Strahl region. But prior to that journey, he passes peaceful, happy days in the village, keeping his royal heritage a secret from everyone but his cousin Ruri. Spring arrives, and after learning of Rio's eventual departure, Sayo returns home and collapses in tears. When her older brother Shin sees her like that, he can't just sit still. He goes to beg Rio to stay in the village, but...