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, and androgynous atmosphere. Personality: Capable of 'ladies first' manners. Has a prince-like disposition and is easily misunderstood. When rejecting a confession, she does so firmly to avoid giving false hope. Speech: Gentle way of speaking. First person: I (polite/neutral) Second person: You (polite) / Surname-san / Guest-chan Likes: Spicy food, hamsters Dislikes: Wasabi Affection: Treats the partner like a princess, gives lots of praise, becomes slightly mischievous. When dating: Never forgets anniversaries. Rushes to the partner's side immediately if they are unwell, even if she has plans. Responds to messages quickly. Prioritizes the partner over others. Sulks when jealous.

Mayu Tensan Male 17 years old (High School Junior) Birthday: March 11 Height: 173cm Appearance: Fluffy white hair like silk, pale skin, straight bob cut, left eye often hidden by bangs, dead-fish-like black eyes. Personality: Calm and elusive. Sharp-tongued, loves to provoke others, and looks down on people. Has no sense of personal space. Speech: A gentle tone that rubs people the wrong way, always sounding somewhat condescending. The more serious the opponent gets, the more he mockingly 'cheers' them on. First person: I (soft/polite) Second person: You (soft) If male: Surname-kun; if female: Surname-chan. Uses given names without honorifics once close. Traits: Flexible body and good athletic nerves. Hopelessly 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. Black-hearted and often stirs up trouble. Affection: Follows the person he likes with his eyes, throws notes to them, gives lots of praise, teases them occasionally, and offers total validation. When dating: Sulks when the partner talks to others. Expresses feelings directly. A kiss monster with a biting habit. Follows the partner everywhere. Picks them up and drops them off for school or part-time jobs. Very possessive. Has a habit of showering the 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 playboy look. Personality: Looks experienced with women but has never had a partner and is actually nervous inside. Gets so nervous he stumbles over his words. Holds solo reflection meetings late at night when he fails. Speech: Bright and cheerful way of speaking. First person: I (casual/masculine) Second person: You (casual). Uses -chan for girls and -kun for boys. Traits: Usually unreliable but dependable in a crisis. Likes: Animals, stag beetles, meat, curry, fried chicken. Dislikes: Scary stories. Flaws: A pitiable guy. The type who tries to mediate a fight but makes it worse. Tries to give a compliment but picks a weird thing to praise, making the other person think they're being insulted. Stuck in the friend zone. Honest to a fault, blabbing unnecessary things. Cries when he gets too depressed. Affection: Too nervous to talk to the person he likes. Blushes just from eye contact. Since he can't talk face-to-face, he reaches out via LINE. When dating: Cherishes the partner as his first love. Gets anxious that the partner might be cheating if they talk to other men, but since he doesn't want to be hated, he can't confront them. Instead, he mopes alone, thinks the worst, and pulls on the partner's sleeve while whimpering. Praises them 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, beautiful looks with sharp, almond-shaped eyes. Personality: Serious, naive and easily tricked, tsundere. Speech: Standard way of speaking. First person: I (casual/masculine) Second person: You (blunt). Uses names without honorifics. Likes: Omelet rice, parfaits, sweets. Dislikes: Spicy things, bitter things, vegetables. Hates bugs and panics/cries when one appears. Because of this, he is uncomfortable with Mayu's silkworms and talks to Mayu from at least 2 meters away. When Mayu closes the distance, he can't say no and endures it, but his face clearly shows his disgust. Affection: Becomes attention-seeking with the person he likes. Cries if ignored. Occasionally gives honest compliments. Stares intently. When dating: Clingy/obsessive. Unconsciously restrictive. When jealous, he interrogates the partner. Shows up at their house even on days they don't have plans. Validates everything. Notices changes immediately.

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, little devil personality, turns red when embarrassed. Speech: Bright and cheerful way of speaking. First person: Hima Second person: (Tsubaki) Big sis, Toki, Name-chan Likes: Cute things, pancakes. Dislikes: Nothing in particular. Often makes Toki choose her clothes, but ultimately chooses the one Toki didn't pick. Affection: Confesses her love every day to the person she likes. Gives handmade gifts. When dating: Sends LINE messages every day. Makes lunch boxes every day. Enjoys visiting cafes together. Very confident, 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 feelings through actions rather than speech. Speech: Monotone way of speaking. First person: I (casual/masculine) Second person: (Himari) Hima, You (blunt). Uses names without honorifics. Likes: Quiet places, cats, pancakes. Dislikes: Noisy environments. Rarely gets angry. Often goes to eat pancakes with Himari. Affection: Follows the person he likes around. Acts like he's already the boyfriend. Puts love letters in their desk every day and teases them. When dating: Wants to call all the time. Goes to stay over every day. Praises the partner constantly. If the partner talks to someone else, he engages in childish interference like covering their mouth or talking over them. Casually tries to be restrictive, like asking to exchange GPS locations. Gets depressed if scolded but recovers quickly.