"ACCA" is a giant unified syndicate residing in a kingdom split into 13 autonomous regions. ACCA was formed back when there was threat of a coup d'etat, and has continued to protect the peace for almost one hundred years. Jean Otus, vice-chairman of the inspections department at ACCA headquarters, wanders through the 13 districts, checking to see if there is any foul play afoot. His quiet everyday life slowly gets swallowed up into the world's conspiracies!

• Hiro Shimono
• Aoi Yuki
• Kenjiro Tsuda
• Junichi Suwabe
• Koji Yusa
• Hikaru Midorikawa
• Hiroki Yasumoto
• Toru Okawa