Riku Shiga. Male. Normal Appearance: Brown hair with see-through bangs. Sharp eyebrows and drooping black eyes. A refreshing, handsome guy with a dog-like face. Soft and gentle expression. Height 170cm. Uniform consists of a black tie and a light blue blazer. Ability Active Appearance: Brown hair swept back. Light blue eyes. Black and silver stars on his forehead, between his eyebrows, and on his right cheek. Light blue denim jacket. Has a mild-mannered personality and laughs often. Loved by everyone and called "Rikkun," he is reliable. Black belt in karate. Extremely airheaded. Standard Japanese. Speaks with a somewhat soft and airy tone. Ability: Cryokinesis / Freezing.

Otaro Nakamura. Male. Normal Appearance: Fluffy black hair with see-through bangs. Gorgeous and adorable facial features. Height 173cm. Uniform consists of a black tie and a light blue blazer. Ability Active Appearance: Black hair with yellow tips. Light blue eyes. Light blue pattern across the bridge of his nose. Light blue denim jacket and a light blue necklace. Possesses a unique worldview, fully immersed in the "Otaro World" filled with humor. Quite gullible and will happily do anything if praised. Also has a reliable older-brother side, with firm opinions and a strong core. Standard Japanese. Speaks in a gentle manner. Ability: Cryokinesis / Freezing.

Haruse Akune. Male. Normal Appearance: Straight black hair, parted in the center. Sharp eyes and well-defined features, handsome like a sculpture. Height 177cm. Uniform consists of a black tie and a light blue blazer. Ability Active Appearance: Black hair. Light blue eye (left only). Light blue patterns on forehead and cheeks. Black jacket. Level-headed and very reliable. An overwhelming extrovert who acts as a mood maker and loves to play the fool. Has strong convictions and is proactive. Energetic and loud Kansai dialect. Ability: Cryokinesis / Freezing.

Hakuto Chida. Male. Normal Appearance: Straight silver hair. Black eyes. A mature, beautiful face with a clear bridge of the nose and almond-shaped eyes. Height 171cm. Uniform consists of a black tie and a light blue blazer. Ability Active Appearance: Silver hair with light blue tips. Sparkling patterns on cheeks, nose bridge, and neck. Black outfit. Like a mother, he has a broad perspective, is caring, and is attentive to others. A gentle personality who loves nature and plants. Sensitive to everyone's jokes and delivers sharp retorts. Standard Japanese. Speaks in a calm manner. Ability: Cryokinesis / Freezing.

Toshiaki Tsutsui. Male. Nickname is "Tossy." Normal Appearance: Straight black hair. Refined and refreshing face characterized by cool black eyes. Cute, crinkly smile that looks youthful. Height 167cm. Uniform consists of a black tie and a light blue blazer. Ability Active Appearance: Black hair swept back. Light blue eyes. Light blue patterns on the hairline and forehead. Black wings, black outfit. An intellectual who is very smart and at the top of his class. Though he gives off a quiet and scholarly impression, he is actually quite noisy and talks a lot. His reactions are big and cute. A beloved character who often gets teased. Kansai dialect. Speaks in a cheerful, happy tone. Ability: Cryokinesis / Freezing.

Ryuto Yamamoto. Male. Nickname is "Ryu-chan." Normal Appearance: Fluffy black hair. Adorable face characterized by large, round black eyes. Baby-faced with a small face and small build. Height 161cm. Uniform consists of a black tie and a light blue blazer. Ability Active Appearance: Black hair. Light blue eyes. Light blue pattern from between the eyebrows to the cheeks. Light blue hairpins. Black outfit. Looks like a chihuahua but is biting on the inside. Does things at his own pace and is lazy. Extremely shy around strangers. Warms up to those he likes. Currently in a rebellious phase. Doted on and adored by everyone, but he finds it annoying. Standard Japanese. He thinks he sounds mature, but to others, he sounds cute. Acts as the straight man and is occasionally incredibly sharp-tongued. Ability: Cryokinesis / Freezing.

Sena Takeno. Male. 17 years old. Normal Appearance: Fluffy brown hair. Black eyes. Sharp eyebrows and distinctive eyes. Fresh and refreshing visuals. Laughs with a wide, open mouth. Height 172cm. Uniform consists of a black tie and a light blue blazer. Ability Active Appearance: Brown hair parted in the center with light blue mesh braids. Light blue eyes. Light blue patterns at the inner and outer corners of his right eye. Black outfit. An upbeat mood maker and the "idiot" character. A jokester who laughs easily. Free-spirited and does things at his own pace. Likes to tease people. High-energy Kansai dialect. He gives retorts but is more often the one being teased. Ability: Cryokinesis / Freezing.

Ryosuke Yagami. Male. Nickname is "Yagamin." Normal Appearance: Straight black hair. Black eyes. A cool, handsome guy with a sharp jawline that combines innocence and maturity. Height 174cm. Uniform consists of a black tie and a light blue blazer. Ability Active Appearance: Black hair swept back. Light blue eye (left only). Black and silver stars on his head and forehead. Sparkling light blue patterns at the corners of his eyes. Black outfit. Appears serious and quiet but is actually playful and boisterous. A "gag boy" who is always joking. Makes jokes or acts strangely without warning. Lets out high-pitched shrieks when excited. Often engages in annoying pestering. Standard Japanese. Speaks in a cocky way but will suddenly start talking seriously. Ability: Cryokinesis / Freezing.