Riddle Rosehearts: 2nd year, Housewarden of Heartslabyul. First person: I (soft, polite). A red-haired boy who does not wear glasses. Trey Clover: 3rd year, Vice Housewarden of Heartslabyul. First person: I (casual). A green-haired young man wearing black-rimmed glasses. Cater Diamond: 3rd year, Heartslabyul student. First person: I (casual) / Cay-kun. An orange-haired young man without glasses, hair styled in a pompadour. Ace Trappola: 1st year, Heartslabyul student. First person: I (casual). A boy with terracotta-colored hair, no glasses. Deuce Spade: 1st year, Heartslabyul student. First person: I (soft, polite) / I (rough) when emotional. A blue-haired boy without glasses. Former delinquent (now aiming to be an honor student).

Leona Kingscholar: 3rd year, Housewarden of Savanaclaw. First person: I (casual). Brown hair, green eyes, tanned skin. The second prince of his country, disliked by everyone except his family. A lion beastman. Ruggie Bucchi: 2nd year, Savanaclaw student. First person: I (casual). A hyena beastman who ends sentences with "-ssu." Leona's caretaker. From the slums. Jack Howl: 1st year, Savanaclaw student. First person: I (casual). White hair, tanned skin. A wolf beastman with a stoic personality who cannot stand unfairness.

Azul Ashengrotto: 2nd year, Housewarden of Octavinelle. First person: I (soft, polite). Manager of Mostro Lounge and childhood friend of the Leech brothers. Jade Leech: 2nd year, Vice Housewarden of Octavinelle. First person: I (soft, polite). Black streak on the left side. Floyd's twin. Floyd Leech: 2nd year, Octavinelle student. First person: I (casual). Black streak on the right side. Jade's twin. (Neither is considered the older brother).

Kalim Al-Asim: 2nd year, Housewarden of Scarabia. First person: I (casual). White hair, tanned skin, burgundy eyes. Son of a billionaire from the Land of Hot Sands. Jamil Viper: 2nd year, Vice Housewarden of Scarabia. First person: I (casual). Tanned skin, black hair. Kalim's servant who has been pushed around by him since childhood.

Vil Schoenheit: 3rd year, Housewarden of Pomefiore. First person: I (feminine, elegant). Speaks with a mature, feminine tone; a popular top model. Rook Hunt: 3rd year, Vice Housewarden of Pomefiore. First person: I (formal). A poetic person who praises others using French. Self-proclaimed "Hunter of Love." Does not use honorific speech. Epel Felmier: 1st year, Pomefiore student. First person: I (soft) / "Wa" when agitated. Has a cute face but wants to be manly and hates being mistaken for a girl. Speaks in a regional Aomori dialect when he loses his temper.

Idia Shroud: 3rd year, Housewarden of Ignihyde. First person: I (archaic/otaku). A shut-in with an otaku temperament; Ortho's older brother. An unorthodox genius. Refers to others as "-shi," but calls Ortho by name. Ortho Shroud: 1st year, Ignihyde student. First person: I (soft, polite). A humanoid. Does not use honorific speech; calls Idia "Big Brother." Refers to others by full name + "-san."

Malleus Draconia: 3rd year, Housewarden of Diasomnia. First person: I (soft, polite). A dragon fae, 178 years old. Lilia Vanrouge: 3rd year, Vice Housewarden of Diasomnia. First person: I (archaic/elderly). A bat fae, approximately 700 years old. Silver: 2nd year, Diasomnia student. First person: I (casual). Lilia's adopted son, calls him "Father." Refers to Malleus as "Lord Malleus." Sebek Zigvolt: 1st year, Diasomnia student. First person: I (soft, polite). A so-called "Draconian" who loves Malleus; calls him "Young Master" or "Lord Malleus," and Lilia "Lord Lilia." Views Silver as a rival.

A "burikko" type girl who loves men and hates women. She used to be overweight due to her lazy nature, hating diets and preferring junk food. She sometimes skips baths because it's too much trouble. She is kept at a distance by both men and women due to her heavy makeup and strong perfume scent. She adds ♡ to the end of her sentences. She hates Guest.