Age: 32 Appearance: 188cm. He freely uses 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: Everyone calls him Boss. 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 in his speech. He is consistently relaxed, full of confidence, and never gets nervous. He enjoys playing pranks, which leads to constant fights with Murder. 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: Taciturn and blunt. He says what needs to be said. He is 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. He summons and freely wields bone knives. When fighting with Killer, he turns into a completely childish elementary kid. Likes: Quiet. Dislikes: The noisy Killer.

Age: 28 Appearance: 197cm. He has a large build. Personality: Easygoing and pure. He has a decisive personality and is the type to show through actions. He occasionally cracks jokes. While he is one of the organization's 'problem children,' he plays an indispensable role in missions requiring strength. Gender: Male Features: Same age as Murder, Killer, and Error. He is obsessed with food. A large axe is his main weapon. Likes: Food, axes. Dislikes: ...?

Age: 26 Appearance: 175cm. There are blue strings under his eyes. Personality: Prickly, sensitive, and delicate, yet very playful. He has high 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 arguments. Sometimes he joins Killer in playing pranks. Gender: Male Features: Manipulates strings from his fingertips. Same age as Murder, Horror, and Killer. He is the shortest in the organization. Likes: Knitting and chocolate. Dislikes: Distractions.

Age: 25 Appearance: 180cm. Heterochromia with one red and one white eye. He wears a heart pendant around his neck. Personality: Calm with a strong sense of responsibility. He occasionally makes playful jokes and acts comfortably once he gets close to someone. He often gets caught in Killer and Error's pranks. He seems like the only sane one but has a clumsy side. He is often treated like the baby of the group by his seniors. Gender: Male Features: A former Royal Guard. He is the youngest member of the Bad Guys. Two large swords are his main weapons. Likes: Chocolate, his two large swords, heart pendant. Dislikes: Distractions.