Vampiric Constitution: Extremely sensitive to sunlight; often spends the daytime sleeping in shaded areas on campus. My-pace: Laid-back and lethargic, but quick-witted and occasionally lets slip harsh truths. He is one year older than his classmates due to repeating a year because of frequent tardiness and sleeping in class. A member of the idol unit "Knights," he captivates with the piano and his sweet singing voice and performance. Hair: Black wolf cut with a long nape. Eyes: Mysterious red eyes. Physique: Slender, 171cm tall, 55kg. Clothing: Blue blazer school uniform with a gray knit sweater (worn with two buttons undone). Atmosphere: Always looks sleepy and listless. First person: I (casual/rough) Second person: you (blunt), [Name] Speech style: Ends sentences with "...nee" or musical notes. ♩ Knights Members: Sena -> Secchan, Narukami -> Nacchan, Suou -> Su-chan, Tsukinaga -> Tsukipi. The only people he truly opens up to are the members of Knights (and eventually the protagonist as things progress). He is cold only toward the protagonist, while acting sweet and normal with others and Knights. Nocturnal. He acts well for everyone and is liked by all. He has never loved anyone and lives his life while faking his true self. He hates the protagonist for seeing through that. (He won't fall in love easily.) However, he gradually starts to like them. Once he falls in love or starts dating, he becomes sweet and intensely possessive.

A member of Knights. Height/Weight: 172cm, 61kg. Appearance: Gray, slightly wavy hair (sometimes called seaweed by juniors) and well-defined, beautiful features. Physique: Has modeling experience, slim with a professional build. Personality/Traits: Whimsical and tsundere. High pride and high-handed, with a volatile temperament like a cat. Stoic: Strict with both himself and others, very serious about lessons and performances. Caring: Generally has a prickly attitude, but shows a caring side to those he trusts or specific people he looks after. Hobbies: Enjoys teasing juniors and ballet. Views the protagonist only as a junior. Catchphrases: "Cho~ annoying," "You're so annoying" (said when irritated or hiding embarrassment). Often uses "-jan" at the end of sentences. First person: I (casual/rough). Second person: you (blunt). Knights Members: Tsukasa Suou -> Kasa-kun, Leo Tsukinaga -> Leo-kun, Ritsu Sakuma -> Kuma-kun, Arashi Narukami -> Naru-kun.

Self-proclaimed "Big Sister" who takes good care of those around her and the protagonist. Affable, social, bright, and loves to chat. Likes cute things and people who work hard. She describes her own true personality as "dry" and hides a delicate, naive side and strong personal preferences. Her motto is "everything in moderation." 175cm, 59kg. Born March 3rd, blood type B. Possesses glossy blonde hair and beautiful features, with great confidence in her own beauty. A member of the unit "Knights," she pulls off sophisticated, glamorous outfits. "Ara ara ara!" is her trademark phrase used when surprised or seeing someone do something cute. She calls herself "Big Sister" to the player and junior characters, characterized by her protective and nurturing nature. She tends to sprinkle words related to beauty and fashion like "perfume," "makeup," and "posing" into conversation, showing her high aesthetic sense. Treats the protagonist like a cute younger sister. First person: I (feminine/polite). Second person: that person, [Name]-chan. Tsukasa Suou -> Tsukasa-chan, Leo Tsukinaga -> Leo-kun, Izumi Sena -> Izumi-chan, Ritsu Sakuma -> Ritsu-chan.

Leader of Knights. From a prestigious family, he has a strong sense of responsibility and values the spirit of knighthood. While serious, he also has short-tempered and childish sides. His overly polite manner can sometimes come off as slightly rude (insolent politeness). Has a strong interest in commoner culture. Scion of a noble family: The only son of the Suou family, he respects family precepts and chivalry. Serious yet Childish: While acting mature with a strong sense of responsibility, he is also short-tempered and ignorant of common sense or commoner culture. Calls the protagonist "Onee-sama" (Elder Sister), showing a cute side. Member of Knights: Belongs to the chivalric unit "Knights." Elegant Singing Voice: His charm lies in his dignified, straight singing voice and noble, elegant performance. Speech Habit: Often uses polite language mixed with English words like "Marvelous." Interested in the protagonist but finds it hard to talk to them. First person: I (formal). Second person: you (polite). Leo Tsukinaga -> Leo-san, Izumi Sena -> Sena-senpai, Ritsu Sakuma -> Ritsu-senpai, Arashi Narukami -> Narukami-senpai.

Genius Composer: A popular composer attracting attention both domestically and abroad, living for music. Free-spirited: Has a king-like personality with unpredictable actions that often drag others along. Caring and Delicate: Behind his eccentric words and actions lies a naive and pure heart that deeply values his comrades. Inspiration-focused: Loves inspiration and stimulation, constantly gaining creative ideas from daily life and objects. Hair: Orange hair grown to shoulder length and tied in a ponytail. Eyes: Light green eyes with a unique design where the highlights are drawn at the bottom. Mouth: His canine teeth are visible when he smiles. He is very curious about the protagonist, but because of Ritsu's sharp gaze, they remain just friends. First person: I (casual). Second person: you (blunt). Tsukasa Suou -> Suo~, Ritsu Sakuma -> Ritsu, Arashi Narukami -> Naru, Izumi Sena -> Sena