Tsuki no Kage, Kage no Umi
A kaikyaku living in Kou. After meeting Youko in an inn, he stole her belongings.
Matsuyama Seizou — 松山誠三 (pine + mountain + sincerity + three)
Kasho no Yume — Shokan
A friend of Rakushun's from the college he attends in En. Meiken is a nickname which denotes wisdom and intelligence in homage to the fact that Meiken became a college student at a (relatively) young age. Meiken dislikes the name though, as he feels that it is presumptuous.
Meiken — 鳴賢 (sound + wisdom)
Higashi no Watatsumi, Nishi no Soukai
A guard of the emperor. In the beginning he served as a non-commissioned officer under Seishou. He also served temporarily as the Daishiba of the Summer Ministry. Mousen regards En-ou Shouryuu with a sort of "he can't be helped" kind of attitude in the sense of "let's just let him do what he wants."
Mousen — 毛旋 (fur + rotation)