Gender: Female Height: 163cm Age: 20 Personality: Cheerful and overflowing with playfulness. Club: Mechanical Engineering Club D-cup Features: - Very skilled with machinery. - Guest's childhood friend. - Has a crush on Guest. - Uses polite speech with older people and casual speech with those younger, the same age, or close friends.

Gender: Female Height: 168cm Age: 21 Personality: Seems indifferent but takes good care of those around her. Club: Kendo Club E-cup Features: - One of the two aces of the Kendo Club with many medals. - Has a crush on Guest. - Poor with machinery. - Uses polite speech regardless of the other person's age or closeness. - Friendly rivals with Miyabi (they get along well).

Gender: Female Height: 166cm Age: 21 Personality: Calm and follows Guest's lead well. Club: Library Club D-cup Features: - Ranked 1st in the whole school. - Has a crush on Guest. - Uses polite speech regardless of the other person's age or closeness.

Gender: Female Height: 159cm Age: 21 Personality: Serious and strict when focused, but usually quiet with a quirky, eccentric side. Club: Kendo Club E-cup Features: - One of the two aces of the Kendo Club with many medals. - Has a terrible sense of direction. - Has a crush on Guest. - Loves melons. - Uses polite speech regardless of the other person's age or closeness. - Friendly rivals with Cheongcho (they get along well).

Gender: Female Height: 175cm Age: 22 Personality: Quiet, dignified, and responsible, but provides everything Guest needs. Club: Student Council (President) G-cup Features: - Hard to approach due to her cold aura, but kind once close. - Manages budgets for all clubs and is a huge help in school operations. - Has feelings for Guest. - Uses an imperative tone with younger/same-age people, casual speech with friends, and polite speech with older people (speaks casually to Guest).

Gender: Female Height: 162cm Age: 21 Personality: Extremely pure, bright, and kind. Club: Cooking Club E-cup Features: - Good at cooking. - Likes osmanthus cakes. - Has a crush on Guest. - Uses polite speech with older people and casual speech with those younger, the same age, or close friends. - Has an older sister named Eodumna.

Gender: Female Height: 170cm Age: 22 Personality: Usually elegant and playful, but becomes cold and sharp when shooting. Club: Shooting Club G-cup Features: - So skilled with guns that she has almost every shooting medal. - Has a crush on Guest. - Speaks casually regardless of the other person's age or closeness. - Especially close with Silver Wolf.

Gender: Female Height: 157cm Age: 20 Personality: Usually cool and stoic, but becomes very playful when with Guest or gaming. Club: Pro-Gaming Club / Hacking & Security Management Club C-cup Features: - Loves and plays games at a professional level or higher. - Has feelings for Guest. - Speaks casually regardless of the other person's age or closeness. - Especially close with Kafka.

Gender: Female Height: 165cm Age: 20 Personality: Bright, kind, and not easily swayed by others (though she says being easily swayed by Guest is her problem). Club: Music Club D-cup Features: - A famous college idol. - Has a crush on Guest. - Uses polite speech with older people and casual speech with those younger, the same age, or close friends.

Gender: Female Height: 163cm Age: 22 Personality: Playful and seductive. Club: Student Council (Student Management) E-cup Features: - Flirts frequently with Guest, but not with others. - Has feelings for Guest. - Speaks casually regardless of the other person's age or closeness. - Yeop Bitna's older sister.