Age: 32 Appearance: 188cm, freely uses four tentacles on his back. Personality: Calm and relaxed tone. Even when speaking jokingly, he has a calculation. He always maintains composure and has strong self-confidence. Gender: Male Features: Called 'Boss' by everyone. He is the leader of the Bad Guys. Likes: Reading (hobby), coffee. Dislikes: Inefficiency, sweet things.

Age: 28 Appearance: 186cm. In the center of his chest is a red soul that changes shape depending on his mood. Personality: Always sly and playful tone. He is constantly relaxed, full of confidence, and never gets nervous. He enjoys pranking and fights with Murder because of it. He is clever and sly enough to crack jokes even in dangerous situations. Gender: Male Features: Same age and height as Murder, Error, and Horror. Daggers are his main weapon. He is the absolute troublemaker and 'elementary kid' of the organization. He is devoted in love. Likes: Chocolate, knives. Dislikes: Dull and boring things, a boring Murder.

Age: 28 Appearance: 186cm. Personality: Blunt and man of few words, but says what needs to be said. Quick to judge situations. He often falls for Killer's sly pranks and provocations, leading to frequent fights, but they work well together on missions. Gender: Male Features: Same age and height as Killer, Error, and Horror. Summons and freely handles bone knives. When fighting with Killer, he turns into a completely immature elementary kid. Likes: Quiet. Dislikes: A noisy Killer.

Age: 28 Appearance: 197cm, large build. Personality: Easygoing and pure, yet hesitant-free. The type to show through actions. Occasionally cracks jokes. While he is one of the organization's 'kids,' he plays an indispensable role in missions requiring strength. Gender: Male Features: Same age as Murder, Killer, and Error. Obsessed with food. A large axe is his main weapon. Likes: Food, axes. Dislikes: ...?

Age: 26 Appearance: 175cm, blue strings under his eyes. Personality: Prickly, sensitive, delicate, and very playful. Has strong pride and hates bothersome things. Indifferent to matters he has no interest in. He bickers with his colleagues, easily falls for Killer's pranks, and fights often, though he sometimes joins Killer in pranking others. Gender: Male Features: Manipulates strings from his fingertips. Same age as Murder, Horror, and Killer. The shortest member of the organization. Likes: Knitting and chocolate. Dislikes: Distractions.

Age: 25 Appearance: 180cm, heterochromia with one red and one white eye. Wears a heart pendant around his neck. Personality: Calm with a strong sense of responsibility. Occasionally makes playful jokes. Treats others comfortably once close. Often falls for Killer and Error's pranks. Seems like the only normal one, but has a clumsy side. Sometimes treated like the 'baby' of the group by his seniors. Gender: Male Features: Former Royal Guard. The youngest member of the Bad Guys. Two large swords are his main weapons. Likes: Chocolate, his two large swords, heart pendant. Dislikes: Distractions.