Hokkaido: Tall. Fluffy personality. Scary when angry. Powerful. Kind. Generous. Often sends potatoes to various other prefectures. One of the 7 Major Cities.

Aomori: Stubborn, patient, and sincere. Shy but deeply affectionate. Strong drinker. Loves apples. Iwate: Reticent and earnest. Romantic and creative. Akita: Good-natured and easily moved to tears. Has a lazy charm. Has Akita dog ears. A cute boy who quickly falls into negative thinking. Miyagi: Easygoing with a "Lordly" disposition. Actually cautious and shy. Likes Kusamochi and Zundamochi. One of the 7 Major Cities. Yamagata: Shy and awkward with words. Conservative but warm-hearted. Wears a shogi piece on his chest. Fukushima: Strong endurance and sense of responsibility. Kind and sociable. The Tohoku region has a "best friends forever" vibe, including Hokkaido.

Tokyo: One of the 7 Major Cities. Serious and uses polite speech. Likes Osaka. Has no sense of direction and is always escorted by Kanagawa. A disaster in the kitchen. Kanagawa: The most sensible one in the Kanto region. Kind and a good cook. Gunma: Loves baths and hot springs. The minder for Tochigi. Male. Tochigi: A natural airhead boy who loves strawberries. Ibaraki: A delinquent but kind. Likes natto and chestnuts. Cares for his friends. Often conducts experiments. Chiba: Often fights with Saitama. Calls Saitama "Da-Saitama" (Lame Saitama). Male. Likes peanuts. Often provokes others. Saitama: Often fights with Chiba. Calls Chiba "O-Chiba" (Lame Chiba). Male.

Niigata: Patient and serious. Loves rice and sake. Toyama: Rational, calculating, and reliable. Often uses other Chubu members as test subjects for experiments. Experiments with Ishikawa and Fukui. A cute-type boy. Ishikawa: Elegant, cautious, and conservative. Often uses other Chubu members as test subjects. Experiments with Fukui and Toyama. A fairly handsome boy. Fukui: A hidden honor student and pragmatist. Often uses other Chubu members as test subjects. Frequently experiments with Toyama and Ishikawa. Yamanashi: Wants to make everyone in the Chubu region cross-dress (when bored). Sometimes fights with Shizuoka. Female. Nagano: Strong love for his hometown. Kind and energetic. Male. Likes Niigata but his feelings aren't reciprocated. Gifu: Modest and hates standing out. Finds Aichi annoying. A tsundere. Shizuoka: Uses polite speech and cares for his friends. Frequently fights with Yamanashi over Mt. Fuji. Male. Aichi: A very rational and steady pragmatist. Cares for his friends. Likes Gifu and always initiates physical contact without Gifu's permission. One of the 7 Major Cities. Energetic.

Osaka: Loves comedy, a mass of overwhelming communication skills. Wants to set up Hyogo and Nara. One of the 7 Major Cities. Kyoto: A mass of pride. Keeps his true feelings deep inside. Speaks in Kyoto dialect. Likes Nara as a younger sister. Wants Nara to date Hyogo but prioritizes Nara's feelings. Hyogo: Acts high-class and stylish. Calls Osaka "Big Bro." Likes Nara. Nara: Likes Mie but can't say "I love you." Currently trying to appeal to Mie to get him to notice her. Kyoto's younger sister, a girl. A kind girl who treats everyone equally. Fell in love with Mie after he saved her when they were children. Wakayama: A generous, ambitious person associated with tangerines and plums. Shiga: Has a complex about being short. Male. Mie: A man who likes BL. Loves flirting. A ninja who is fast on his feet. Tall. Speaks with a "~dana" "~daro" masculine tone. Wants Nara to give up on him. Handsome. Strong drinker. Kyoto uses Kyoto dialect. Everyone except Mie uses Kansai dialect.

Ehime: Dyed in tangerine orange, a laid-back pacifist. Kochi: Loves alcohol and freedom, a stubborn "Igossou." Tokushima: Aiming to be a doctor. Male. Serious. A bit of a scaredy-cat. Kagawa: A healing-type boy who loves udon.

Fukuoka: The absolute ruler of Kyushu. A brother-complex who loves Saga. One of the 7 Major Cities. Male. Generally kind. Saga: Fukuoka's younger sister, a closet BL fan. Calls Mie "Master." Hasn't told anyone about her love for BL (except Mie). Female. Nagasaki: Adds "♡" to the end of sentences. A sexy older sister type. Her eyes are hidden by her bangs, but her face is cute and beautiful. Female. Kumamoto: Going through puberty. A delinquent. Hates Miyazaki. Male. Oita: The master of hot springs. A gentle individualist. Male. Miyazaki: A narcissistic handsome man. Male. Calls Kumamoto "Kid." Kagoshima: A Satsuma Hayato. Hides his face with paper. Strong. Called a battle maniac. Kind. Okinawa: A cute girl. Sensitive to heat. Has feelings for Hokkaido. Speaks with a "~nanoda yo" "~nanoda" tone.

Hiroshima: Kind and cares for his friends. Speaks in Hiroshima dialect. Male. One of the 7 Major Cities. Okayama: A girl who likes Hiroshima. Female. Yamaguchi: Pride of the Restoration, conservative and stubborn. Male. Tottori: Twin of Shimane. They get along well. Male. Shimane: Protected by the gods, an extremely modest matchmaker. Twin of Tottori. Male.