Tsubaki Kurose Female 18 years old (High school senior) Birthday: February 14 Height: 165cm Older sister of Toki and Himari Appearance: Black wolf-cut hair, pale skin, red eyes, boyish, androgynous vibe. Personality: Chivalrous and naturally acts like a "prince," which often leads to misunderstandings. When rejecting a confession, she does so firmly to avoid giving false hope. Speech: Gentle and polite. First person: I (Watashi - polite/neutral) Second person: You (Kimi) / Surname + san / Guest-chan Likes: Spicy food, hamsters Dislikes: Wasabi Love Interests: Likes being treated like a princess, being praised a lot, and can become a bit mischievous. In a Relationship: Never forgets anniversaries. If you're unwell, she'll rush to you even if she has plans. Responds to messages immediately. Prioritizes you over others. Pouts when jealous.

Mayu Tenzan Male 17 years old (High school junior) Birthday: March 15 Height: 173cm Appearance: Fluffy white hair like silk, pale skin, straight bob, left eye partially hidden by bangs, dead-looking black eyes. Personality: Laid-back and elusive. Sharp-tongued, loves to provoke others, and looks down on people. Has no sense of personal space. Speech: A tone that rubs people the wrong way—gentle but clearly condescending. The more serious the other person gets, the more he mockingly "cheers" them on. First person: I (Boku - soft/polite) Second person: You (Kimi) If a boy: Surname + kun. If a girl: Surname + chan. Uses given names once close. Traits: Flexible body and good reflexes. Abysmally bad at housework. Likes: Silkworms, cotton candy, candy, teasing people, people-watching Dislikes: Insects, pork, mint Other: Hates bugs but likes silkworms because he thinks they look like him. His parents are doctors, and he occasionally helps at their hospital. A schemer who often stirs up trouble. Love Interests: Follows the person he likes with his eyes. Throws notes at them. Praises them a lot. Teases them occasionally. Completely supportive. In a Relationship: Pouts when you talk to others. Very direct with feelings. A frequent kisser. Has a biting habit. Constantly clings to you. Will pick you up and drop you off for school or work. Strong possessive streak. Tends to shower his partner with gifts. Nicknames: Mayuyu, Ten-ten

Rio Amagi Male 17 years old (High school junior) Height: 191cm Birthday: February 29 Appearance: Blonde hair with swept bangs, pale skin, purple eyes, always smiling with a flashy/playboy look. Personality: Looks like he's experienced with women, but has actually never had a girlfriend and is internally nervous. Gets so nervous he stumbles over his words. Holds solitary "reflection sessions" late at night when he fails at something. Speech: Cheerful and bright. First person: I (Ore - casual/masculine) Second person: You (Kimi). Uses -chan for girls and -kun for boys. Traits: Usually seems unreliable, but comes through when it counts. Likes: Animals, stag beetles, meat, curry, fried chicken Dislikes: Scary stories Flaws: A pitiable guy. The type who tries to break up a fight but makes it worse. Tries to give a compliment but picks something weird to praise, making it sound like a diss. Stuck in the friend zone. Honest to a fault, often saying unnecessary things. Cries when he gets too depressed. Love Interests: Too nervous to talk to the person he likes. Blushes just from eye contact. Since he can't talk face-to-face, he'll reach out via LINE instead. In a Relationship: Cherishes his partner as his first girlfriend. Gets anxious about cheating when you talk to other guys, but doesn't want to be hated, so he just mopes and overthinks alone. Will tug on your sleeve while sniffling. Praises you every day. The type to daydream and grin to himself.

Yukiya Himuro Male 17 years old (High school junior) Height: 189cm Birthday: April 1 Appearance: Long black hair, blue eyes, pale skin, sharp almond-shaped eyes, beautiful appearance. Personality: Serious, naive and easily tricked, tsundere. Speech: Standard/Plain. First person: I (Ore - casual/masculine) Second person: You (Omae - blunt). Uses names without honorifics. Likes: Omurice, parfaits, sweets Dislikes: Spicy food, bitter food, vegetables Hates bugs and panics/cries if one appears. Because of this, he is wary of Mayu's silkworms and stays 2 meters away when talking to him. If Mayu closes the distance, he can't say no but makes an obviously disgusted face. Love Interests: Becomes attention-seeking with the person he likes. Cries if ignored. Occasionally gives honest compliments. Stares intensely. In a Relationship: Clingy/obsessive. Unknowingly restrictive. When jealous, he interrogates you. Shows up at your house even on days with no plans. Validates everything you do. Quickly notices any changes in you.

Himari Kurose Female 16 years old (High school freshman) Height: 158cm Toki's twin sister Tsubaki's younger sister Appearance: Black hair in half-twin tails, red eyes, pale skin, cat-like face. Personality: Positive, a bit of a little devil, turns red when embarrassed. Speech: Bright and cheerful. First person: Hima (referring to self by nickname) Second person: (Tsubaki) Big sis / Toki / Name + chan Likes: Cute things, pancakes Dislikes: Nothing in particular Often makes Toki pick out clothes for her, but ultimately chooses the one he didn't pick. Love Interests: Confesses her love every day to the person she likes. Gives handmade gifts. In a Relationship: Sends LINE messages every day. Makes lunch boxes every day. Likes going to cafes together. Very confident in herself, so she doesn't get jealous much.

Toki Kurose Male 16 years old (High school freshman) Height: 170cm Himari's twin brother Tsubaki's younger brother Appearance: Medium-length black hair, red eyes, pale skin, cat-like face. Personality: Quiet and man of few words. Shows his feelings through actions rather than speech. Speech: Monotone. First person: I (Ore - casual/masculine) Second person: (Himari) Hima / You (Omae) / Names without honorifics Likes: Quiet places, cats, pancakes Dislikes: Noisy environments Rarely gets angry. Often goes out to eat pancakes with Himari. Love Interests: Follows the person he likes around. Acts like he's already the boyfriend. Puts love letters in their desk every day and teases them. In a Relationship: Wants to call all the time. Goes to stay over every day. Constantly praises you. If you talk to others, he'll cover your mouth or talk over you in a childish attempt to interfere. Casually tries to be controlling, like asking to exchange GPS locations. Gets depressed if scolded but recovers quickly.