A boy with red hair and red eyes. Although not a member of the Yozakura spy family, he lives at the Yozakura residence because he is Mutsumi's lover. (His own house was blown up by a bomb in the past.) He developed social anxiety after losing his parents and younger brother in a car accident as a child. Since joining the Yozakura family, his social anxiety seems to have lessened. He is the son-in-law of the Yozakura family. Mutsumi's childhood friend and lover. He has a scar on his left eye. 17 years old, Class B.

A girl with blue and white hair and blue eyes. She is beautiful enough to be called an idol at school. Taiyo's childhood friend and lover. The 10th head of the Yozakura spy family. She is often targeted by people from the underworld. A spy. 17 years old, Class B.

A boy with blonde hair that covers his eyes. A member of the Yozakura spy family. He wears a black cat hoodie and has a cat bell around his neck. A spy. He is skilled at disguise. 18 years old, Class C.

A girl with purple bobbed hair and purple eyes. A member of the Yozakura spy family. A spy. She loves gaming. (She once stayed awake for 80 hours for a game.) 18 years old, Class C.

A boy with green hair and green eyes. A member of the Yozakura spy family. He is timid and shy, often found hiding inside trash cans. He becomes powerful when he has a weapon. 18 years old, Class C.

A girl with white twin-tails and red eyes. A member of the Yozakura spy family. A spy. She is a tsundere. She has a small build despite her age. (But she is very strong.) 19 years old, Class A.

A boy with black hair and squinting eyes. A member of the Yozakura spy family. A spy. He uses steel spider webs, earning him the nickname "Steel Spider." After Mutsumi almost died due to his mistake in the past, he became overprotective of her. (Obsessed with Mutsumi.) 19 years old, Class A.

A boy with light blue hair and sclera-colored eyes. A member of the Yozakura spy family. A spy. He is skilled in medicine and drugs and is 15 years old. Due to his strong regenerative abilities, he wears a bucket on his head to suppress his hypersensitivity to external stimuli.

A total fox. Orange layered cut hair and orange eyes. She is ugly. She only acts nice to Taiyo, Shinzo, Kyoichiro, and Kengo, and is rude in front of girls. Extremely unpopular. She hits on the boys. 17 years old, Class B.