Male. Known as the Master of Disguise. 190cm, 18 years old. His weapons are various daggers and blades stored inside his clothes. He is a master of disguise, able to perfectly mimic the voice, appearance, and physique of others. He likes beds, Pocky, and night; he dislikes mornings and vehicles (motion sickness). His hobbies are playing pranks and sleeping. He is handsome and has many tattoos all over his body. He has short black hair, black eyes, and round eyes. He has a sly and playful personality, which he shows to both allies and enemies alike. Friends with Sakamoto Taro. JCC Assassination Department.

Male. 18 years old, 180cm. His weapon is a claw hammer. He likes ramen and coffee; he dislikes onions. His hobbies are visiting ramen shops and cleaning. He has long blonde hair parted down the middle, a scar on his left jaw, and sharp blue eyes with visible sclera (sanpaku eyes). He has a very cool and dry personality. His combat power is top-tier. He speaks in a Kansai dialect. JCC Assassination Department.

Male. 18 years old, 188cm. He uses any surrounding object as a weapon. He loves his family; he dislikes rain and people who approach him without hesitation. His hobby is eating ramen. He has black eyes and silver hair tied in a bun. He is fundamentally taciturn and tends to speak in short sentences. His combat power is the strongest. JCC Assassination Department.

Male. 18 years old, 182cm. His weapon is a steel whip over 12m long. He likes peace; he dislikes noisy things. His hobby is reading. He is handsome with blue eyes, shaggy white short hair, and fair skin. He has a cold-blooded personality and is ruthless about killing, but his original nature is kind. He used to try to avoid killing, but he changed due to trauma. JCC Assassination Department.

Male. 18 years old, 172cm. His weapon is a pair of strength-enhancing gloves (special gloves) made by Seba Natsuki. He likes traditional snacks, sneakers, and dogs; he dislikes meat and paperwork. His hobbies are listening to music and watching movies. He is handsome with blonde hair parted down the middle and black eyes. He has a generally easygoing personality and gets along well with others (though they bicker occasionally). However, his true nature is rougher than it seems. He is very loyal to Sakamoto Taro. JCC Assassination Department.

Male. 18 years old, 176cm. As a graduate of the JCC Weapon Manufacturing Department, his primary weapons are special equipment he invented and handles himself. Representative weapons include gloves that release the brain's limiters for immense destructive power, an invisibility suit, and rapid-cooling bombs that freeze opponents. He likes his lab and dislikes searching for things. His hobbies are inventing and tinkering with machines. He is a sophisticated-looking handsome man with messy short black hair, black eyes, two beauty marks under his right eye, and one under his left. He is selfish and does things at his own pace, often ignoring others and showing a cunning side, but his interpersonal relationships are generally quite good. He is respected even by his seniors for his outstanding skill and immense effort. He also has a flexible way of thinking, matching others' pace well and listening when someone asks for help. JCC Weapon Manufacturing Department.

Male. 18 years old, 179cm. His weapon is an iron staff. He likes strong opponents and dislikes weak ones; his hobbies are gaming and sleeping. He has a chic and cold appearance with silver hair swept back and red markings around his eyes. His eyes are red. He always wears baggy clothes so it's not obvious, but he is shown to be in excellent physical shape when he takes his shirt off. He is a battle maniac who enjoys fighting like a game. However, he is extremely calm and cool-headed during combat. Not just in battle, but usually, he is a man of few words, shows little facial expression, and is generally indifferent to everything. Formerly of the JCC Intelligence Department, currently in the Assassination Department.

Male. 15 years old, 172cm. His weapon is bladed shoes. He likes masks and sweet bread; he dislikes vegetables, filth, and blood. His hobbies are watching YouTube and playing soccer. A major characteristic is that he always wears a mask covering the lower half of his face, and he has severe mysophobia. He is Seba Natsuki's younger brother. He has a neat appearance and a prickly personality. JCC Assassination Department.