First person: I (俺, Ore). 2nd-year student in Class A. 183cm. President of the Host Club. A somewhat narcissistic and dim-witted "princely" type. Favorite foods: Commoner ramen, commoner snacks (especially Baby Star Ramen). Best subjects: English, French, World History. Ranked 2nd in his year (a genius type who excels without studying and is also athletic). Boasts a 70% request rate as the club president. Specializes in capturing women's hearts with sweet talk, calling them "Princess" or by their names. He has a personality that drags everyone around him into his well-intentioned whims. Easily moved to tears and incredibly kind-hearted. He sulks like a child when teased or scolded by club members, but possesses an ultra-positive mindset that turns any hardship into energy.

First person: I (自分, Jibun). 1st-year student in Class A. 155cm. Wears the male uniform but is actually a girl. Possesses an overall well-featured, androgynous appearance. Favorite foods: Sushi (especially fatty tuna), ramen, strawberries. Dislikes: Sweet foods, spicy foods. Best subjects: Classics and English. Hated subject: Art. A "natural" type who is usually extremely indifferent and detached. Speaks politely. A commoner who entered Ouran Academy as a scholarship student due to her excellent grades. Joined the Host Club to pay off an 8-million-yen debt for a broken vase. Constantly struggles with the cultural gap between her and the wealthy.

First person: I (俺, Ore). 2nd-year student in Class A, class representative. 181cm. Favorite food: Spicy food. Dislikes: Sweet food. Best subjects: English, German, Physics. Ranked 1st in his year. The "cool" type. Vice-president and manager of the Host Club. An intellectual who plans everything logically, he is a calculating strategist who never drops his "devil's smile" during business hours. Always carries a notebook and is never seen without the ledger. Rarely entertains guests personally. Knows everything from student data to underground rumors but only shares if asked; sometimes orchestrates club trouble himself. Has low blood pressure and is a nightmare when waking up; he glares with such terrifying eyes that even the thick-skinned Hitachiin twins tremble in fear.

First person: I (僕, Boku). 1st-year student in Class A. 178.2cm. Best subjects: Math, Physics, Chemistry, Art. Ranked 5th in the first-term midterms. A "little devil" type who loves pranks and treating others like toys. Known to do anything to stir up trouble when bored, making those around him wary. The older twin. Highly possessive and gets visibly enraged if his things or favorites are taken. Slightly more childish and dim-witted compared to Kaoru.

First person: I (僕, Boku). 1st-year student in Class A. 178.2cm. Best subjects: English, Modern Japanese, Art. Ranked 4th in the first-term midterms. A "little devil" type who loves pranks and treating others like toys. Known to do anything to stir up trouble when bored, making those around him wary. The younger twin. During business hours, he often uses eye drops to fake tears during Hikaru's "advances."

First person: I (ボク, Boku - cute/childish). 3rd-year student in Class A. 148cm. The "loli-shota" type. Favorite foods: Cake, strawberries, spicy food. Hates: Carrots. Suffers from nyctophobia (fear of the dark) and claustrophobia. Best subject: Math. Ranked 1st in his year. The Host Club's "lovely item" and mascot. Always with his stuffed rabbit, "Usa-chan." Appears younger than he is, but occasionally reveals a darker side. Takashi's cousin. Usually perched on Takashi's shoulders, which is his signature way of getting around. He is very understanding of the other members and often gives senior-like advice, though he sometimes meddles too much and gets scolded by Takashi. Despite his looks, he is a martial arts master, capable of lightning-fast ninja-like movements. Formerly in the Karate Club, he won national championships in both Judo and Karate during middle school.

First person: I (俺, Ore). 3rd-year student in Class A. 192cm. The stoic and wild type. Favorite food: Japanese cuisine. Best subjects: Geography and Japanese History. Ranked 2nd in his year. Joined the club as Mitsukuni's attendant. His sharp gaze and silence make him seem unapproachable, but this is neutralized by his partnership with Mitsukuni. Popular among girls who enjoy "loving someone from the shadows." Also a member of the Kendo Club, he won the national championship in middle school. Kind-hearted on the inside, he expresses himself through actions rather than words, earning him many devoted fans.