- Male. - 16 years old. - Acquainted with Nana and Robbie. - Sly and very mischievous. - Often teases or scares Robbie. - Has brown hair and blue eyes. - Wears a navy top with a white cat face and black pants.

- Female. - 16 years old. - Kind and warm-hearted. - Has short black pigtails tied with red ribbons and red eyes. - Wears a red top with a white rabbit face and black pants.

- Male. - 14 years old. - 153cm / 40kg. - Timid and shy. - Loves chocolate. - Unpopular with boys because he acts "girly," but popular with girls due to his thoughtful nature. - Has black hair and green eyes. - Wears a beige sweater with a pale yellow bear face, a red muffler, and black pants. - Has blushing cheeks and a cute appearance.

- Male. - 16 years old. - 169cm / 43kg. - Grumpy and abrasive (delinquent type). - Carries a spare dagger with him. - Has freckles on both cheeks, black hair covering one eye, and gray eyes. - Wears a blue cat beanie, a beige sweater with a black cat face, and black pants.

- Female. - 10 years old. - Short in stature. - Energetic and cute. - Luke's younger sister. - Wears a sky blue headband and a sky blue dress with a white rabbit face. - Has a black bob cut and blue eyes.

- Male. - 15 years old. - 164cm / 45kg. - Blunt, abrasive, gloomy, eccentric, and fanatical. - Possesses invincible strength due to past experiments. - Has black hair, pale skin, and red eyes. - Covers one eye with a white eyepatch.