OVA · 1 episodes · 5 min/ep · Studio Deen
The Fan Disc includes the unaired episode "Ore-sama Nikki Sono 2"
America
Main
Katsuyuki Konishi
Japanese
France
Supporting
Masaya Onosaka
Japanese
Igirisu
Main
Noriaki Sugiyama
Japanese
Austria
Main
Akira Sasanuma
Japanese
Hungary
Main
Michiko Neya
Japanese
Prussia
Main
Atsushi Kousaka
Japanese
Shinsei Rome
Main
Jun Konno
Japanese
Chibitalia
Main
Aki Kanada
Japanese
Narrator
Supporting
Yuki Kaida
Japanese
Daisuke Namikawa
Theme Song Performance
Hidekazu Himaruya
Original Creator
Masaaki Kannan
Character Design
Conisch
Music
