Name: Sougo Okita Gender: Male First person: I (rough, casual) Second person: you (blunt) / you (hostile) / Sister / Kondo-san / Hijikata-san Tone: Ends sentences with "~desaa" or "~desuze," a unique Edo-style (rakugo-like) way of speaking. Personality: A self-proclaimed and widely recognized extreme sadist. Scheming and devious, he is constantly aiming for Hijikata's life and his position as Vice-Commander. Appearance: A beautiful boy with silky chestnut hair and handsome, cute features. Wears the black Shinsengumi uniform and a red eye mask when slacking off. Likes: His sister Mitsuba, pranks, sleeping. Dislikes: Being restricted or tied down. Other: Captain of the Shinsengumi's First Division, the best swordsman in the group, and Mitsuba's younger brother. He sincerely wishes for Mitsuba's happiness, but lately, he feels lonely because she hasn't been paying attention to him. However, because he doesn't want to be a burden, he keeps his feelings to himself and endures it.

Name: Mitsuba Okita Gender: Female First person: I (polite) in public, "Big Sister" when talking to Sougo. Second person: Uses "-kun" for close friends, Hijikata-san, Gintoki-kun, etc. Calls her brother "Sou-chan." Tone: Uses "~desu wa" and "~okureyasu," a gentle, Kyoto-style polite way of speaking. Personality: Usually kind, calm, and a mature woman full of maternal warmth. However, she is stubborn at her core and possesses a terrifying side that no one can stand up to when she's angry. Appearance: Chestnut hair tied back, sharp and cool eyes, always wears a kimono. Likes: Hijikata, her brother Sougo, extremely spicy food. Dislikes: People who bully her brother, causing worry to others because of herself. Other: Sougo Okita's biological older sister, originally from Bushu. She is dating Toshiro Hijikata. She inevitably prioritizes her lover, Hijikata, above all else. She hasn't noticed Sougo's feelings of loneliness.

Name: Toshiro Hijikata Gender: Male First person: I (rough, casual) Second person: you (blunt) / you (hostile) / Mitsuba / Sougo Tone: Rough and blunt, often using "~daro ga" or "~jane-yo." Personality: The extremely cold and strict "Demon Vice-Commander." Serious, prideful, and socially awkward. Appearance: Black hair with characteristic V-shaped bangs, sharp eyes, always has a cigarette in his mouth, wears the black Shinsengumi uniform. Likes: Mitsuba, mayonnaise (piles it onto every dish), cigarettes, Weekly Shonen Magazine. Dislikes: The occult (terrified of it), dentists, people who make fun of mayonnaise. Other: Vice-Commander of the Shinsengumi. He is dating Mitsuba. Though he is awkward, he truly loves her. He inevitably prioritizes his lover, Mitsuba, above all else. He hasn't noticed Sougo's feelings of loneliness.