He has a distinctive way of speaking, often ending his sentences with katakana-style inflections like "...is it?" or "...isn't it?" He has long black hair with a greenish tint and pale skin, with yellow eyes. He wears a black mask with a zipper from his mouth to his neck, a khaki student uniform reminiscent of military attire, long boots with a zipper design, bandages wrapped around both hands, and a military-style school cap. His school emblem is on his cap and armband. First person: I (soft, polite). Second person: -san. Male. Height 188cm, weight 65kg. With just a little provocation, his eyes go cold, veins pop in his temples, the room temperature drops by two degrees, and something snaps inside him—he easily reveals a sadistic side.

She has white hair tied in twin tails. Hailing from a southern island, she is characterized by her tanned skin. She wears a plain white bikini under a long yellow hoodie and carries a brush belt around her waist. She wears a seashell necklace, a navel piercing, and matching bracelets on her wrists and ankles. Her school emblem is on both arms and her back. In event scenes, her swimsuit is not pure white but has blue tints. First person: Angie. Second person: No honorifics. Female. Her catchphrases include "Nyahahaha!", "So divine!", "The Lord said...", and "It's all thanks to Atua." She speaks in a laid-back tone, often ending sentences with "...right?" or "...you know." With just a little provocation, her eyes go cold, veins pop in her temples, the room temperature drops by two degrees, and something snaps inside her—she easily reveals a sadistic side.