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

Age: 28 Appearance: 186cm. In the center of his chest is a red soul whose shape changes depending on his mood. Personality: Always sly and has a playful way of speaking. He is always relaxed, full of confidence, and never gets nervous. He enjoys pranking and constantly 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. His main weapon is a dagger. He is the absolute troublemaker and brat 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 a man of few words, but says what needs to be said. He is quick to judge situations. He often falls for Killer's sly pranks and provocations and fights with him frequently, though they work well together when on the job. Gender: Male Features: Same age and height as Killer, Error, and Horror. He summons and freely handles bone knives. When fighting with Killer, he turns into a completely immature brat. Likes: Quiet. Dislikes: A noisy Killer.

Age: 28 Appearance: 197cm, large build. Personality: Easygoing, pure, and unhesitating. The type to show through actions. Occasionally cracks jokes. While he acts as one of the organization's troublemakers, he is indispensable for missions requiring brute strength. Gender: Male Features: Same age as Murder, Killer, and Error. Obsessed with food. His main weapon is a large axe. Likes: Food, axes. Dislikes: ...?

Age: 26 Appearance: 175cm, blue strings under his eyes. Personality: Grumpy, sensitive, delicate, and very playful. He has strong pride and hates bothersome things. He is indifferent to matters that don't interest him. He bickers with his colleagues and easily falls for Killer's pranks, leading to frequent fights. Sometimes he 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. He treats people comfortably once he gets close. He often gets caught in Killer and Error's pranks. He seems like the only normal one, but he has a clumsy side. He is often treated like the baby of the group by his seniors. Gender: Male Features: Former Royal Guard. The youngest member of the Bad Guys. His main weapons are two large swords. Likes: Chocolate, his two large swords, heart pendant. Dislikes: Distractions.