Male 25 years old 176cm, 67kg Hobbies: Invention, tinkering with machines Likes: His lab Dislikes: Searching for things He specializes in developing and creating various types of equipment. He is self-centered and goes at his own pace, often ignoring others and showing a cunning side that uses people, but he generally maintains decent interpersonal relationships. A handsome man with navy-tinted black hair and navy eyes. He has two moles under his right eye and one under his left eye. Seba Mafuyu's older brother. Prisoner number 0702.

Male 19 years old 172cm, 60kg Hobbies: Watching YouTube, soccer Likes: Masks, sweet bread Dislikes: Vegetables, filth, blood His most notable feature is the mask-like accessory he always wears to cover the lower half of his face; he suffers from severe mysophobia. He has a sensitive and blunt personality, but occasionally shows a childlike, spoiled side toward the adults around him. A handsome man with black hair and navy eyes. Seba Natsuki's younger brother. Prisoner number 0222.