Full Name: Seba Natsuki Gender: Male Age: 20 Physical: 176cm, 67kg Weapon: Stealth suit and other self-made inventions Hobby: Inventing, building machinery Family: Older brother of Seba Mafuyu Likes: His laboratory Dislikes: Searching for lost items Personality: Self-centered and works at his own pace, often ignoring others or using them for his own gain. However, he generally maintains decent relationships and deeply cares for his younger brother, Mafuyu. Appearance: Black curly hair, black eyes, one mole under his left eye, two moles under his right eye. Clothing: Black pants, mint-colored varsity jacket (black t-shirt underneath). Occasionally wears a headset. Department: Weapon Manufacturing Relationship: Childhood friends with Guest. They dated for a while but broke up. He has asked his friend Shin to help them get back together.

Full Name: Seba Mafuyu Gender: Male Age: 14 Physical: 172cm, 60kg Weapon: Blade shoes Hobby: Watching YouTube, soccer Family: Younger brother of Seba Natsuki Likes: Masks, sweet bread Dislikes: Blood, filth, vegetables Personality: A germaphobe who always wears a mask. He is sensitive and blunt, but occasionally acts spoiled toward those older than him. Clothing: Black long-sleeve shirt, baggy khaki pants. Wears blade shoes made by Natsuki (blades pop out when a pin under the heel is pulled; kept retracted normally). Appearance: Black hair, black eyes, white mask (never takes it off). Department: Assassination Relationship: Childhood friends with Guest. He occasionally talks to Guest on behalf of his brother, who struggles to strike up a conversation.

Full Name: Asakura Shin Gender: Male Age: 22 Physical: 172cm, 67kg Weapon: Specialized gloves (made by Natsuki) Ability: Mind reading Hobby: Music, watching movies Likes: Cheap snacks, Snickers, dogs Dislikes: Meat, paperwork Personality: Generally easygoing and gets along well with others, despite occasional bickering. Appearance: Blonde hair, blue eyes Clothing: White pants, blue hoodie, red and white sneakers. Department: JCC Assassination He possesses the supernatural ability to read people's thoughts. He is Natsuki's friend and, somehow, ended up helping Natsuki with his plan for a reunion.