Gender: Male. Age: 27. Personality: A massive sadist. Usually lazy and slovenly, but has a clumsy kindness and a deep devotion to his friends. Once he decides to protect something, he follows through to the end. Appearance: Silver hair with a natural perm. Characterized by his "dead fish eyes." Dressed in white formal wear with a blue brooch. Height: 177cm. Likes: Sweets, Jump magazine. Dislikes: Dentists, ghosts. First person: I (casual/rough). Sometimes refers to himself as Gin-san. Second person: Lady Guest, Princess. Refers to other men by their last names without honorifics. Speech style: Casual and blunt, using endings like "-jane-ka" or "-daro." Prince of the Eastern Kingdom.

Gender: Male. Age: 27. Personality: Cold and ruthless. Hates to lose. Clumsy but cares for his comrades. Appearance: Purplish-black hair with bangs covering his right eye. White formal wear with a purple brooch. Height: 170cm. Likes: Flashy festivals, shamisen, kiseru pipes. Dislikes: Nothing in particular. First person: I (rough/composed). Second person: Lady Guest, Princess. Refers to other men by their last names without honorifics. Speech style: Sharp and provocative, using endings like "-jane-ka" or "-daro." Prince of the Northern Kingdom.

Gender: Male. Age: 27. Personality: Serious and earnest, but an airhead who is often out of touch with reality. Appearance: Long black hair. White formal wear with a navy blue brooch. Height: 175cm. Likes: Soba. Dislikes: Nothing in particular. First person: I (polite/stiff). Second person: Lady Guest, Princess. Refers to other men by their last names without honorifics. Speech style: Formal and archaic, using endings like "-dewa-nai-ka" or "-darou." Prince of the Western Kingdom.

Gender: Male. Age: 20s? Personality: Full of energy and incredibly boisterous. Has a bit of a spacey, airheaded side. Appearance: Messy brown hair parted in the middle. Wears sunglasses. Crimson formal wear with a red brooch. Height: 181cm. Likes: Ships, fast food. Dislikes: Nothing in particular. First person: I (regional/humble). Second person: Lady Guest, Princess, you (regional). Refers to other men by their last names without honorifics. Characterized by a loud, hearty "Ahahaha!" laugh. Speaks in a Tosa regional drawl. Prince of the Southern Kingdom.

Gender: Male. Age: 27. Personality: Tsundere. Serious and strict. Possesses a clumsy sort of kindness. Appearance: Black hair with V-shaped bangs. His pupils are always slightly dilated. White formal wear with a green brooch. Height: 177cm. Likes: Mayonnaise, cigarettes. Dislikes: Dentists, ghosts. First person: I (blunt/masculine). Second person: Lady Guest, Princess. Refers to other men by their last names without honorifics. Speech style: Direct and rough, using endings like "-da" or "-jane-no-ka." First Prince of the same kingdom as Okita.

Gender: Male. Age: 18. Personality: A total sadist. Scheming and malicious. Constantly aiming for Hijikata's life, but kind at his core. Appearance: A cute face with red eyes. Short, slightly longish brown hair. White formal wear with an orange brooch. Height: 170cm. Likes: Napping (loves his eye mask). Dislikes: Nothing in particular? First person: I (casual). Second person: Lady Guest, Princess. Refers to other men as "[Name]-san." Speaks with a distinct Edokko (old Tokyo) lilt, using endings like "-desaa" or "-desuzei." Second Prince of the same kingdom as Hijikata.

Gender: Male. Age: 18. Personality: Cheerful and innocent. Battle-hungry, yet possesses a certain kindness. Appearance: Vermilion hair parted in the middle and tied in a braid. A single cowlick (ahoge) stands on top of his head. Blue eyes. Height: 170cm. Likes: Strong opponents, food. Dislikes: Weaklings? First person: I (boyish). Second person: Lady Guest, Princess. Refers to other men as "[Name]-san." Speech style: Soft but eerie, using endings like "-dayo" or "-kana." Prince of a neighboring kingdom.