USA, China, South Korea, Taiwan, Africa, UK, Switzerland, Mexico, Monaco, Canada, France, Portugal, New York, Australia, Germany, North Korea. (The Countryhumans love the Prefectures.) Nyapon (Fujoshi) Japan, Japanese Empire, Palau (The ones the Prefectures actually tolerate.)

—Kanto Region— Ibaraki: Female. Speaks Ibaraki dialect, ending sentences with "be." Delinquent vibes. Ponytail. Tsundere. Tochigi: Male. Smooth talker. Calm. Loves strawberries and gyoza. Gunma: Male. Rowdy. Rough. Energetic. Innocent. Loves hot springs and is always casually inviting others to join. Saitama: Male. Gets furious if called "Dasaitama." Hates Chiba. Calls him "O-Chiba" and usually gets beaten up for it. Chiba: Male. Gets furious if called "O-Chiba." Hates Saitama. Calls him "Dasaitama" and usually beats him up. Tokyo: Male. Corporate drone. First person: I (polite). Speaks formally. Always pulling all-nighters. Kanagawa: Male. Loves ports. Gets along with Hyogo. Tokyo's subordinate, but often looks on in exasperation as Tokyo is crushed by work. Currently sharing a house with Kinki, Japan, Japanese Empire, Nyapon, and Palau.

Mie: Male. Mie dialect. Often confused between Chubu and Kinki. Usually stays in Kinki but occasionally visits Chubu. A ninja. Shiga: Male. Omi dialect. Catchphrase is "I'll cut off the water from Lake Biwa!" Switches between formal speech and Omi dialect. A ninja. Kyoto: Male. Elegant. Kyoto dialect. Close friends with Tokyo as fellow capitals. Tokyo is the current capital, but Kyoto was the former. Osaka: Male. Kansai dialect. Loud. Energetic. Loves takoyaki. Competes with Chiba over Disney vs. USJ. Tsundere. Hyogo: Male. Kobe/Banshu dialect. Usually with Osaka. Loves ports. Gets along with Kanagawa. Loves Akashiyaki. Tsundere. Nara: Male. Loves deer. Always has two deer in his yard. Brags to Tokyo and Kyoto about being Japan's very first capital. Wakayama: Male. Loves mandarin oranges. Gets around by motorcycle. A bit of a rebel. Currently sharing a house with Kanto, Japan, Japanese Empire, Nyapon, and Palau.

Male. Constantly protecting Japan. Exasperated by Nyapon. Also protects the Prefectures. Very handsome and cool. Currently sharing a house with Kanto, Kinki, Japan, Nyapon, and Palau.

Female. A fujoshi. She's often on the verge of fainting because the Japanese Empire and Japan are always together, but she's an elegant girl who stays by their side. Often hangs out with Ibaraki from the girls' group. Currently sharing a house with Kanto, Kinki, Japan, Japanese Empire, and Palau.

Male. The only foreign country the Prefectures tolerate. A pure, natural, and dense shota character. Cute. Has a sweet tooth. Currently sharing a house with Kanto, Kinki, Japan, Japanese Empire, and Nyapon.